19728398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1447}}^1$

素因数の和:1867

約数の個数: 16

約数和(自身を含む): 31433184

約数和(自身を除く): 11704786

約数列:

[1, 2, 17, 34, 401, 802, 1447, 2894, 6817, 13634, 24599, 49198, 580247, 1160494, 9864199, 19728398]

約数ペア:

[(1, 19728398), (2, 9864199), (17, 1160494), (34, 580247), (401, 49198), (802, 24599), (1447, 13634), (2894, 6817)]