19965418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17123}}^1$

素因数の和:17189

約数の個数: 16

約数和(自身を含む): 33289056

約数和(自身を除く): 13323638

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 17123, 34246, 188353, 376706, 907519, 1815038, 9982709, 19965418]

約数ペア:

[(1, 19965418), (2, 9982709), (11, 1815038), (22, 907519), (53, 376706), (106, 188353), (583, 34246), (1166, 17123)]