2018625020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1134059}}^1$

素因数の和:1134157

約数の個数: 24

約数和(自身を含む): 4286746800

約数和(自身を除く): 2268121780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1134059, 2268118, 4536236, 5670295, 11340590, 22681180, 100931251, 201862502, 403725004, 504656255, 1009312510, 2018625020]

約数ペア:

[(1, 2018625020), (2, 1009312510), (4, 504656255), (5, 403725004), (10, 201862502), (20, 100931251), (89, 22681180), (178, 11340590), (356, 5670295), (445, 4536236), (890, 2268118), (1780, 1134059)]