18028375

素因数分解:

$5^3\times {\mathrm{233}}^1\times {\mathrm{619}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 22632480

約数和(自身を除く): 4604105

約数列:

[1, 5, 25, 125, 233, 619, 1165, 3095, 5825, 15475, 29125, 77375, 144227, 721135, 3605675, 18028375]

約数ペア:

[(1, 18028375), (5, 3605675), (25, 721135), (125, 144227), (233, 77375), (619, 29125), (1165, 15475), (3095, 5825)]