19447856

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7457}}^1$

素因数の和:7628

約数の個数: 20

約数和(自身を含む): 37916472

約数和(自身を除く): 18468616

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7457, 14914, 29828, 59656, 119312, 1215491, 2430982, 4861964, 9723928, 19447856]

約数ペア:

[(1, 19447856), (2, 9723928), (4, 4861964), (8, 2430982), (16, 1215491), (163, 119312), (326, 59656), (652, 29828), (1304, 14914), (2608, 7457)]