19506641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4153}}^1$

素因数の和:4232

約数の個数: 16

約数和(自身を含む): 24724608

約数和(自身を除く): 5217967

約数列:

[1, 7, 11, 61, 77, 427, 671, 4153, 4697, 29071, 45683, 253333, 319781, 1773331, 2786663, 19506641]

約数ペア:

[(1, 19506641), (7, 2786663), (11, 1773331), (61, 319781), (77, 253333), (427, 45683), (671, 29071), (4153, 4697)]