18711480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 56476800

約数和(自身を除く): 37765320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 739, 844, 1055, 1266, 1478, 1688, 2110, 2217, 2532, 2956, 3165, 3695, 4220, 4434, 5064, 5912, 6330, 7390, 8440, 8868, 11085, 12660, 14780, 17736, 22170, 25320, 29560, 44340, 88680, 155929, 311858, 467787, 623716, 779645, 935574, 1247432, 1559290, 1871148, 2338935, 3118580, 3742296, 4677870, 6237160, 9355740, 18711480]

約数ペア:

[(1, 18711480), (2, 9355740), (3, 6237160), (4, 4677870), (5, 3742296), (6, 3118580), (8, 2338935), (10, 1871148), (12, 1559290), (15, 1247432), (20, 935574), (24, 779645), (30, 623716), (40, 467787), (60, 311858), (120, 155929), (211, 88680), (422, 44340), (633, 29560), (739, 25320), (844, 22170), (1055, 17736), (1266, 14780), (1478, 12660), (1688, 11085), (2110, 8868), (2217, 8440), (2532, 7390), (2956, 6330), (3165, 5912), (3695, 5064), (4220, 4434)]