19454318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17401}}^1$

素因数の和:17459

約数の個数: 16

約数和(自身を含む): 32158896

約数和(自身を除く): 12704578

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17401, 34802, 226213, 452426, 748243, 1496486, 9727159, 19454318]

約数ペア:

[(1, 19454318), (2, 9727159), (13, 1496486), (26, 748243), (43, 452426), (86, 226213), (559, 34802), (1118, 17401)]