18424744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 39690000

約数和(自身を除く): 21265256

約数列:

[1, 2, 4, 8, 13, 26, 29, 41, 52, 58, 82, 104, 116, 149, 164, 232, 298, 328, 377, 533, 596, 754, 1066, 1189, 1192, 1508, 1937, 2132, 2378, 3016, 3874, 4264, 4321, 4756, 6109, 7748, 8642, 9512, 12218, 15457, 15496, 17284, 24436, 30914, 34568, 48872, 56173, 61828, 79417, 112346, 123656, 158834, 177161, 224692, 317668, 354322, 449384, 635336, 708644, 1417288, 2303093, 4606186, 9212372, 18424744]

約数ペア:

[(1, 18424744), (2, 9212372), (4, 4606186), (8, 2303093), (13, 1417288), (26, 708644), (29, 635336), (41, 449384), (52, 354322), (58, 317668), (82, 224692), (104, 177161), (116, 158834), (149, 123656), (164, 112346), (232, 79417), (298, 61828), (328, 56173), (377, 48872), (533, 34568), (596, 30914), (754, 24436), (1066, 17284), (1189, 15496), (1192, 15457), (1508, 12218), (1937, 9512), (2132, 8642), (2378, 7748), (3016, 6109), (3874, 4756), (4264, 4321)]