19856485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2423}}^1$

素因数の和:2588

約数の個数: 16

約数和(自身を含む): 26179200

約数和(自身を除く): 6322715

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2423, 8195, 12115, 26653, 133265, 361027, 1805135, 3971297, 19856485]

約数ペア:

[(1, 19856485), (5, 3971297), (11, 1805135), (55, 361027), (149, 133265), (745, 26653), (1639, 12115), (2423, 8195)]