20181805228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2381053}}^1$

素因数の和:2381233

約数の個数: 24

約数和(自身を含む): 38268299888

約数和(自身を除く): 18086494660

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 2381053, 4762106, 9524212, 30953689, 61907378, 123814756, 388111639, 776223278, 1552446556, 5045451307, 10090902614, 20181805228]

約数ペア:

[(1, 20181805228), (2, 10090902614), (4, 5045451307), (13, 1552446556), (26, 776223278), (52, 388111639), (163, 123814756), (326, 61907378), (652, 30953689), (2119, 9524212), (4238, 4762106), (8476, 2381053)]