19650845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3476

約数の個数: 16

約数和(自身を含む): 25236480

約数和(自身を除く): 5585635

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3391, 5795, 16955, 64429, 206851, 322145, 1034255, 3930169, 19650845]

約数ペア:

[(1, 19650845), (5, 3930169), (19, 1034255), (61, 322145), (95, 206851), (305, 64429), (1159, 16955), (3391, 5795)]