19245265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9551}}^1$

素因数の和:9600

約数の個数: 16

約数和(自身を含む): 25675776

約数和(自身を除く): 6430511

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9551, 47755, 124163, 296081, 620815, 1480405, 3849053, 19245265]

約数ペア:

[(1, 19245265), (5, 3849053), (13, 1480405), (31, 620815), (65, 296081), (155, 124163), (403, 47755), (2015, 9551)]