19019631740

素因数分解:

$2^2\times 5^1\times {\mathrm{4091}}^1\times {\mathrm{232457}}^1$

素因数の和:236557

約数の個数: 24

約数和(自身を含む): 39951161712

約数和(自身を除く): 20931529972

約数列:

[1, 2, 4, 5, 10, 20, 4091, 8182, 16364, 20455, 40910, 81820, 232457, 464914, 929828, 1162285, 2324570, 4649140, 950981587, 1901963174, 3803926348, 4754907935, 9509815870, 19019631740]

約数ペア:

[(1, 19019631740), (2, 9509815870), (4, 4754907935), (5, 3803926348), (10, 1901963174), (20, 950981587), (4091, 4649140), (8182, 2324570), (16364, 1162285), (20455, 929828), (40910, 464914), (81820, 232457)]