18865475

素因数分解:

$5^2\times {\mathrm{419}}^1\times {\mathrm{1801}}^1$

素因数の和:2230

約数の個数: 12

約数和(自身を含む): 23462040

約数和(自身を除く): 4596565

約数列:

[1, 5, 25, 419, 1801, 2095, 9005, 10475, 45025, 754619, 3773095, 18865475]

約数ペア:

[(1, 18865475), (5, 3773095), (25, 754619), (419, 45025), (1801, 10475), (2095, 9005)]