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pernicious n.  and  pseudoperfect n.

First numbers that belong to both sets:

6, 12, 18, 20, 24, 28, 36, 40, 42, 48, 56, 66, 72, 80, 84, 88, 96, 100, 104, 112, 132, 138, 140, 144, 160, 162, 168, 174, 176, 186, 192, 196, 200, 208, 220, 224, 234, 258, 260, 264, 272, 276, 280, 288, 304, 320, 324, 336, 342, 348, 352, 364, 372, 384, 392, 400, 416, 426, 440, 448, 460, 468, 496, 516, 520, 522, 528, 532, 544, 546, 552, 558, 560, 570, 572, 576, 580, 608, 618, 620, 640, 642, 644, 648, 654, 666, 672, 678, 684, 690, 696, 702, 704, 714, 728, 738, 740, 744, 750, 762, 768, 770, 784, 800, 810, 812, 820, 832, 852, 868, 880, 896, 906, 920, 930, 936, 942, 954, 968, 992, 1002, 1026, 1032, 1036, 1040, 1044, 1056, 1060, 1064, 1088, 1092, 1104, 1110, 1116, 1120, 1140, 1144, 1152, 1160, 1180, 1184, 1190, 1194, 1204, 1216, 1236, 1240, 1280, 1284, 1288, 1296, 1302, 1308, 1312, 1330, 1332, 1344, 1350, 1356, 1362, 1368, 1374, 1380, 1392, 1398, 1404, 1408, 1420, 1428, 1456, 1476, 1480, 1488, 1494, 1500, 1504, 1524, 1536, 1540, 1568, 1578, 1580, 1600, 1610, 1620, 1624, 1640, 1660, 1664, 1674, 1698, 1700, 1704, 1710, 1722, 1736, 1750, 1760, 1770, 1780, 1792, 1812, 1840, 1860, 1870, 1872, 1878, 1884, 1888, 1900, 1908, 1936, 1952, 1962, 1976, 1984, 2002, 2004, 2020, 2024, 2052, 2058, 2060, 2064, 2072, 2080, 2082, 2088, 2094, 2106, 2112, 2120, 2128, 2140, 2154, 2156, 2176, 2178, 2180, 2184, 2190, 2202, 2208, 2214, 2220, 2226, 2232, 2238, 2240, 2250, 2260, 2274, 2280, 2286, 2288, 2298, 2300, 2304, 2320, 2346, 2360, 2368, 2380, 2388, 2392, 2408, 2432, 2442, 2450, 2466, 2472, 2478, 2480, 2490, 2492, 2500, 2538, 2540, 2548, 2552.

Some larger examples :