20181661630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155243551}}^1$

素因数の和:155243571

約数の個数: 16

約数和(自身を含む): 39121375104

約数和(自身を除く): 18939713474

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155243551, 310487102, 776217755, 1552435510, 2018166163, 4036332326, 10090830815, 20181661630]

約数ペア:

[(1, 20181661630), (2, 10090830815), (5, 4036332326), (10, 2018166163), (13, 1552435510), (26, 776217755), (65, 310487102), (130, 155243551)]