20186972390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155284403}}^1$

素因数の和:155284423

約数の個数: 16

約数和(自身を含む): 39131669808

約数和(自身を除く): 18944697418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155284403, 310568806, 776422015, 1552844030, 2018697239, 4037394478, 10093486195, 20186972390]

約数ペア:

[(1, 20186972390), (2, 10093486195), (5, 4037394478), (10, 2018697239), (13, 1552844030), (26, 776422015), (65, 310568806), (130, 155284403)]