18652920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 47149320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1087, 1144, 1320, 1430, 1560, 1716, 2145, 2174, 2860, 3261, 3432, 4290, 4348, 5435, 5720, 6522, 8580, 8696, 10870, 11957, 13044, 14131, 16305, 17160, 21740, 23914, 26088, 28262, 32610, 35871, 42393, 43480, 47828, 56524, 59785, 65220, 70655, 71742, 84786, 95656, 113048, 119570, 130440, 141310, 143484, 155441, 169572, 179355, 211965, 239140, 282620, 286968, 310882, 339144, 358710, 423930, 466323, 478280, 565240, 621764, 717420, 777205, 847860, 932646, 1243528, 1434840, 1554410, 1695720, 1865292, 2331615, 3108820, 3730584, 4663230, 6217640, 9326460, 18652920]

約数ペア:

[(1, 18652920), (2, 9326460), (3, 6217640), (4, 4663230), (5, 3730584), (6, 3108820), (8, 2331615), (10, 1865292), (11, 1695720), (12, 1554410), (13, 1434840), (15, 1243528), (20, 932646), (22, 847860), (24, 777205), (26, 717420), (30, 621764), (33, 565240), (39, 478280), (40, 466323), (44, 423930), (52, 358710), (55, 339144), (60, 310882), (65, 286968), (66, 282620), (78, 239140), (88, 211965), (104, 179355), (110, 169572), (120, 155441), (130, 143484), (132, 141310), (143, 130440), (156, 119570), (165, 113048), (195, 95656), (220, 84786), (260, 71742), (264, 70655), (286, 65220), (312, 59785), (330, 56524), (390, 47828), (429, 43480), (440, 42393), (520, 35871), (572, 32610), (660, 28262), (715, 26088), (780, 23914), (858, 21740), (1087, 17160), (1144, 16305), (1320, 14131), (1430, 13044), (1560, 11957), (1716, 10870), (2145, 8696), (2174, 8580), (2860, 6522), (3261, 5720), (3432, 5435), (4290, 4348)]