18131360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 30131680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 379, 416, 460, 520, 598, 736, 758, 920, 1040, 1196, 1495, 1516, 1840, 1895, 2080, 2392, 2990, 3032, 3680, 3790, 4784, 4927, 5980, 6064, 7580, 8717, 9568, 9854, 11960, 12128, 15160, 17434, 19708, 23920, 24635, 30320, 34868, 39416, 43585, 47840, 49270, 60640, 69736, 78832, 87170, 98540, 113321, 139472, 157664, 174340, 197080, 226642, 278944, 348680, 394160, 453284, 566605, 697360, 788320, 906568, 1133210, 1394720, 1813136, 2266420, 3626272, 4532840, 9065680, 18131360]

約数ペア:

[(1, 18131360), (2, 9065680), (4, 4532840), (5, 3626272), (8, 2266420), (10, 1813136), (13, 1394720), (16, 1133210), (20, 906568), (23, 788320), (26, 697360), (32, 566605), (40, 453284), (46, 394160), (52, 348680), (65, 278944), (80, 226642), (92, 197080), (104, 174340), (115, 157664), (130, 139472), (160, 113321), (184, 98540), (208, 87170), (230, 78832), (260, 69736), (299, 60640), (368, 49270), (379, 47840), (416, 43585), (460, 39416), (520, 34868), (598, 30320), (736, 24635), (758, 23920), (920, 19708), (1040, 17434), (1196, 15160), (1495, 12128), (1516, 11960), (1840, 9854), (1895, 9568), (2080, 8717), (2392, 7580), (2990, 6064), (3032, 5980), (3680, 4927), (3790, 4784)]