19454643

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 30427488

約数和(自身を除く): 10972845

約数列:

[1, 3, 9, 13, 39, 117, 257, 647, 771, 1941, 2313, 3341, 5823, 8411, 10023, 25233, 30069, 75699, 166279, 498837, 1496511, 2161627, 6484881, 19454643]

約数ペア:

[(1, 19454643), (3, 6484881), (9, 2161627), (13, 1496511), (39, 498837), (117, 166279), (257, 75699), (647, 30069), (771, 25233), (1941, 10023), (2313, 8411), (3341, 5823)]