18115630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 35306208

約数和(自身を除く): 17190578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 421, 662, 842, 1655, 2105, 3310, 4210, 4303, 5473, 8606, 10946, 21515, 27365, 43030, 54730, 139351, 278702, 696755, 1393510, 1811563, 3623126, 9057815, 18115630]

約数ペア:

[(1, 18115630), (2, 9057815), (5, 3623126), (10, 1811563), (13, 1393510), (26, 696755), (65, 278702), (130, 139351), (331, 54730), (421, 43030), (662, 27365), (842, 21515), (1655, 10946), (2105, 8606), (3310, 5473), (4210, 4303)]