18728398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13591}}^1$

素因数の和:13659

約数の個数: 16

約数和(自身を含む): 30826656

約数和(自身を除く): 12098258

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13591, 27182, 176683, 353366, 720323, 1440646, 9364199, 18728398]

約数ペア:

[(1, 18728398), (2, 9364199), (13, 1440646), (26, 720323), (53, 353366), (106, 176683), (689, 27182), (1378, 13591)]