19800395

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 24520320

約数和(自身を除く): 4719925

約数列:

[1, 5, 47, 109, 235, 545, 773, 3865, 5123, 25615, 36331, 84257, 181655, 421285, 3960079, 19800395]

約数ペア:

[(1, 19800395), (5, 3960079), (47, 421285), (109, 181655), (235, 84257), (545, 36331), (773, 25615), (3865, 5123)]