18706740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 39716940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 827, 870, 1131, 1508, 1654, 1740, 1885, 2262, 2481, 3308, 3770, 4135, 4524, 4962, 5655, 7540, 8270, 9924, 10751, 11310, 12405, 16540, 21502, 22620, 23983, 24810, 32253, 43004, 47966, 49620, 53755, 64506, 71949, 95932, 107510, 119915, 129012, 143898, 161265, 215020, 239830, 287796, 311779, 322530, 359745, 479660, 623558, 645060, 719490, 935337, 1247116, 1438980, 1558895, 1870674, 3117790, 3741348, 4676685, 6235580, 9353370, 18706740]

約数ペア:

[(1, 18706740), (2, 9353370), (3, 6235580), (4, 4676685), (5, 3741348), (6, 3117790), (10, 1870674), (12, 1558895), (13, 1438980), (15, 1247116), (20, 935337), (26, 719490), (29, 645060), (30, 623558), (39, 479660), (52, 359745), (58, 322530), (60, 311779), (65, 287796), (78, 239830), (87, 215020), (116, 161265), (130, 143898), (145, 129012), (156, 119915), (174, 107510), (195, 95932), (260, 71949), (290, 64506), (348, 53755), (377, 49620), (390, 47966), (435, 43004), (580, 32253), (754, 24810), (780, 23983), (827, 22620), (870, 21502), (1131, 16540), (1508, 12405), (1654, 11310), (1740, 10751), (1885, 9924), (2262, 8270), (2481, 7540), (3308, 5655), (3770, 4962), (4135, 4524)]