19700804

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 35289408

約数和(自身を除く): 15588604

約数列:

[1, 2, 4, 61, 122, 244, 263, 307, 526, 614, 1052, 1228, 16043, 18727, 32086, 37454, 64172, 74908, 80741, 161482, 322964, 4925201, 9850402, 19700804]

約数ペア:

[(1, 19700804), (2, 9850402), (4, 4925201), (61, 322964), (122, 161482), (244, 80741), (263, 74908), (307, 64172), (526, 37454), (614, 32086), (1052, 18727), (1228, 16043)]