18000620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4813}}^1$

素因数の和:4850

約数の個数: 48

約数和(自身を含む): 43672608

約数和(自身を除く): 25671988

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4813, 9626, 19252, 24065, 48130, 52943, 81821, 96260, 105886, 163642, 211772, 264715, 327284, 409105, 529430, 818210, 900031, 1058860, 1636420, 1800062, 3600124, 4500155, 9000310, 18000620]

約数ペア:

[(1, 18000620), (2, 9000310), (4, 4500155), (5, 3600124), (10, 1800062), (11, 1636420), (17, 1058860), (20, 900031), (22, 818210), (34, 529430), (44, 409105), (55, 327284), (68, 264715), (85, 211772), (110, 163642), (170, 105886), (187, 96260), (220, 81821), (340, 52943), (374, 48130), (748, 24065), (935, 19252), (1870, 9626), (3740, 4813)]