19639730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9397}}^1$

素因数の和:9434

約数の個数: 32

約数和(自身を含む): 40599360

約数和(自身を除く): 20959630

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9397, 18794, 46985, 93970, 103367, 178543, 206734, 357086, 516835, 892715, 1033670, 1785430, 1963973, 3927946, 9819865, 19639730]

約数ペア:

[(1, 19639730), (2, 9819865), (5, 3927946), (10, 1963973), (11, 1785430), (19, 1033670), (22, 892715), (38, 516835), (55, 357086), (95, 206734), (110, 178543), (190, 103367), (209, 93970), (418, 46985), (1045, 18794), (2090, 9397)]