18678668740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54937261}}^1$

素因数の和:54937287

約数の個数: 24

約数和(自身を含む): 41532570072

約数和(自身を除く): 22853901332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54937261, 109874522, 219749044, 274686305, 549372610, 933933437, 1098745220, 1867866874, 3735733748, 4669667185, 9339334370, 18678668740]

約数ペア:

[(1, 18678668740), (2, 9339334370), (4, 4669667185), (5, 3735733748), (10, 1867866874), (17, 1098745220), (20, 933933437), (34, 549372610), (68, 274686305), (85, 219749044), (170, 109874522), (340, 54937261)]