19405987741

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{298063}}^1$

素因数の和:298272

約数の個数: 16

約数和(自身を含む): 22662402048

約数和(自身を除く): 3256414307

約数列:

[1, 7, 71, 131, 497, 917, 9301, 65107, 298063, 2086441, 21162473, 39046253, 148137311, 273323771, 2772283963, 19405987741]

約数ペア:

[(1, 19405987741), (7, 2772283963), (71, 273323771), (131, 148137311), (497, 39046253), (917, 21162473), (9301, 2086441), (65107, 298063)]