19103905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 4972895

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2089, 9145, 10445, 64759, 123251, 323795, 616255, 3820781, 19103905]

約数ペア:

[(1, 19103905), (5, 3820781), (31, 616255), (59, 323795), (155, 123251), (295, 64759), (1829, 10445), (2089, 9145)]