19219277

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{22691}}^1$

素因数の和:22720

約数の個数: 12

約数和(自身を含む): 24144288

約数和(自身を除く): 4925011

約数列:

[1, 7, 11, 77, 121, 847, 22691, 158837, 249601, 1747207, 2745611, 19219277]

約数ペア:

[(1, 19219277), (7, 2745611), (11, 1747207), (77, 249601), (121, 158837), (847, 22691)]