18149560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 50803200

約数和(自身を除く): 32653640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 167, 190, 209, 220, 247, 260, 286, 334, 380, 418, 440, 494, 520, 572, 668, 715, 760, 835, 836, 988, 1045, 1144, 1235, 1336, 1430, 1670, 1672, 1837, 1976, 2090, 2171, 2470, 2717, 2860, 3173, 3340, 3674, 4180, 4342, 4940, 5434, 5720, 6346, 6680, 7348, 8360, 8684, 9185, 9880, 10855, 10868, 12692, 13585, 14696, 15865, 17368, 18370, 21710, 21736, 23881, 25384, 27170, 31730, 34903, 36740, 41249, 43420, 47762, 54340, 63460, 69806, 73480, 82498, 86840, 95524, 108680, 119405, 126920, 139612, 164996, 174515, 191048, 206245, 238810, 279224, 329992, 349030, 412490, 453739, 477620, 698060, 824980, 907478, 955240, 1396120, 1649960, 1814956, 2268695, 3629912, 4537390, 9074780, 18149560]

約数ペア:

[(1, 18149560), (2, 9074780), (4, 4537390), (5, 3629912), (8, 2268695), (10, 1814956), (11, 1649960), (13, 1396120), (19, 955240), (20, 907478), (22, 824980), (26, 698060), (38, 477620), (40, 453739), (44, 412490), (52, 349030), (55, 329992), (65, 279224), (76, 238810), (88, 206245), (95, 191048), (104, 174515), (110, 164996), (130, 139612), (143, 126920), (152, 119405), (167, 108680), (190, 95524), (209, 86840), (220, 82498), (247, 73480), (260, 69806), (286, 63460), (334, 54340), (380, 47762), (418, 43420), (440, 41249), (494, 36740), (520, 34903), (572, 31730), (668, 27170), (715, 25384), (760, 23881), (835, 21736), (836, 21710), (988, 18370), (1045, 17368), (1144, 15865), (1235, 14696), (1336, 13585), (1430, 12692), (1670, 10868), (1672, 10855), (1837, 9880), (1976, 9185), (2090, 8684), (2171, 8360), (2470, 7348), (2717, 6680), (2860, 6346), (3173, 5720), (3340, 5434), (3674, 4940), (4180, 4342)]