18145920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 62375040

約数和(自身を除く): 44229120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 727, 780, 832, 960, 1040, 1248, 1454, 1560, 1664, 1920, 2080, 2181, 2496, 2908, 3120, 3635, 4160, 4362, 4992, 5816, 6240, 7270, 8320, 8724, 9451, 10905, 11632, 12480, 14540, 17448, 18902, 21810, 23264, 24960, 28353, 29080, 34896, 37804, 43620, 46528, 47255, 56706, 58160, 69792, 75608, 87240, 93056, 94510, 113412, 116320, 139584, 141765, 151216, 174480, 189020, 226824, 232640, 279168, 283530, 302432, 348960, 378040, 453648, 465280, 567060, 604864, 697920, 756080, 907296, 1134120, 1209728, 1395840, 1512160, 1814592, 2268240, 3024320, 3629184, 4536480, 6048640, 9072960, 18145920]

約数ペア:

[(1, 18145920), (2, 9072960), (3, 6048640), (4, 4536480), (5, 3629184), (6, 3024320), (8, 2268240), (10, 1814592), (12, 1512160), (13, 1395840), (15, 1209728), (16, 1134120), (20, 907296), (24, 756080), (26, 697920), (30, 604864), (32, 567060), (39, 465280), (40, 453648), (48, 378040), (52, 348960), (60, 302432), (64, 283530), (65, 279168), (78, 232640), (80, 226824), (96, 189020), (104, 174480), (120, 151216), (128, 141765), (130, 139584), (156, 116320), (160, 113412), (192, 94510), (195, 93056), (208, 87240), (240, 75608), (260, 69792), (312, 58160), (320, 56706), (384, 47255), (390, 46528), (416, 43620), (480, 37804), (520, 34896), (624, 29080), (640, 28353), (727, 24960), (780, 23264), (832, 21810), (960, 18902), (1040, 17448), (1248, 14540), (1454, 12480), (1560, 11632), (1664, 10905), (1920, 9451), (2080, 8724), (2181, 8320), (2496, 7270), (2908, 6240), (3120, 5816), (3635, 4992), (4160, 4362)]