18217540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4908

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 25981244

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, 4871, 9742, 19484, 24355, 48710, 53581, 82807, 97420, 107162, 165614, 214324, 267905, 331228, 414035, 535810, 828070, 910877, 1071620, 1656140, 1821754, 3643508, 4554385, 9108770, 18217540]

約数ペア:

[(1, 18217540), (2, 9108770), (4, 4554385), (5, 3643508), (10, 1821754), (11, 1656140), (17, 1071620), (20, 910877), (22, 828070), (34, 535810), (44, 414035), (55, 331228), (68, 267905), (85, 214324), (110, 165614), (170, 107162), (187, 97420), (220, 82807), (340, 53581), (374, 48710), (748, 24355), (935, 19484), (1870, 9742), (3740, 4871)]