19719726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252817}}^1$

素因数の和:252835

約数の個数: 16

約数和(自身を含む): 42473424

約数和(自身を除く): 22753698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252817, 505634, 758451, 1516902, 3286621, 6573242, 9859863, 19719726]

約数ペア:

[(1, 19719726), (2, 9859863), (3, 6573242), (6, 3286621), (13, 1516902), (26, 758451), (39, 505634), (78, 252817)]