19749886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44683}}^1$

素因数の和:44715

約数の個数: 16

約数和(自身を含む): 33781104

約数和(自身を除く): 14031218

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44683, 89366, 580879, 759611, 1161758, 1519222, 9874943, 19749886]

約数ペア:

[(1, 19749886), (2, 9874943), (13, 1519222), (17, 1161758), (26, 759611), (34, 580879), (221, 89366), (442, 44683)]