19677580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75683}}^1$

素因数の和:75705

約数の個数: 24

約数和(自身を含む): 44502192

約数和(自身を除く): 24824612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75683, 151366, 302732, 378415, 756830, 983879, 1513660, 1967758, 3935516, 4919395, 9838790, 19677580]

約数ペア:

[(1, 19677580), (2, 9838790), (4, 4919395), (5, 3935516), (10, 1967758), (13, 1513660), (20, 983879), (26, 756830), (52, 378415), (65, 302732), (130, 151366), (260, 75683)]