19685391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5279}}^1$

素因数の和:5406

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 9206769

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5279, 15837, 58069, 174207, 596527, 1789581, 6561797, 19685391]

約数ペア:

[(1, 19685391), (3, 6561797), (11, 1789581), (33, 596527), (113, 174207), (339, 58069), (1243, 15837), (3729, 5279)]