19925511

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 27175680

約数和(自身を除く): 7250169

約数列:

[1, 3, 71, 139, 213, 417, 673, 2019, 9869, 29607, 47783, 93547, 143349, 280641, 6641837, 19925511]

約数ペア:

[(1, 19925511), (3, 6641837), (71, 280641), (139, 143349), (213, 93547), (417, 47783), (673, 29607), (2019, 9869)]