19906302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255209}}^1$

素因数の和:255227

約数の個数: 16

約数和(自身を含む): 42875280

約数和(自身を除く): 22968978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255209, 510418, 765627, 1531254, 3317717, 6635434, 9953151, 19906302]

約数ペア:

[(1, 19906302), (2, 9953151), (3, 6635434), (6, 3317717), (13, 1531254), (26, 765627), (39, 510418), (78, 255209)]