18229968

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2257

約数の個数: 80

約数和(自身を含む): 55105600

約数和(自身を除く): 36875632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2221, 2736, 4104, 4442, 6663, 8208, 8884, 13326, 17768, 19989, 26652, 35536, 39978, 42199, 53304, 59967, 79956, 84398, 106608, 119934, 126597, 159912, 168796, 239868, 253194, 319824, 337592, 379791, 479736, 506388, 675184, 759582, 959472, 1012776, 1139373, 1519164, 2025552, 2278746, 3038328, 4557492, 6076656, 9114984, 18229968]

約数ペア:

[(1, 18229968), (2, 9114984), (3, 6076656), (4, 4557492), (6, 3038328), (8, 2278746), (9, 2025552), (12, 1519164), (16, 1139373), (18, 1012776), (19, 959472), (24, 759582), (27, 675184), (36, 506388), (38, 479736), (48, 379791), (54, 337592), (57, 319824), (72, 253194), (76, 239868), (108, 168796), (114, 159912), (144, 126597), (152, 119934), (171, 106608), (216, 84398), (228, 79956), (304, 59967), (342, 53304), (432, 42199), (456, 39978), (513, 35536), (684, 26652), (912, 19989), (1026, 17768), (1368, 13326), (2052, 8884), (2221, 8208), (2736, 6663), (4104, 4442)]