19314891

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 29113344

約数和(自身を除く): 9798453

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 647, 963, 1941, 3317, 5823, 9951, 20057, 29853, 60171, 69229, 180513, 207687, 623061, 2146099, 6438297, 19314891]

約数ペア:

[(1, 19314891), (3, 6438297), (9, 2146099), (31, 623061), (93, 207687), (107, 180513), (279, 69229), (321, 60171), (647, 29853), (963, 20057), (1941, 9951), (3317, 5823)]