18510320

素因数分解:

$2^4\times 5^1\times {\mathrm{231379}}^1$

素因数の和:231392

約数の個数: 20

約数和(自身を含む): 43036680

約数和(自身を除く): 24526360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231379, 462758, 925516, 1156895, 1851032, 2313790, 3702064, 4627580, 9255160, 18510320]

約数ペア:

[(1, 18510320), (2, 9255160), (4, 4627580), (5, 3702064), (8, 2313790), (10, 1851032), (16, 1156895), (20, 925516), (40, 462758), (80, 231379)]