19626503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1571}}^1$

素因数の和:1646

約数の個数: 12

約数和(自身を含む): 21853944

約数和(自身を除く): 2227441

約数列:

[1, 13, 31, 403, 961, 1571, 12493, 20423, 48701, 633113, 1509731, 19626503]

約数ペア:

[(1, 19626503), (13, 1509731), (31, 633113), (403, 48701), (961, 20423), (1571, 12493)]