18344391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{727}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 8073273

約数列:

[1, 3, 13, 39, 647, 727, 1941, 2181, 8411, 9451, 25233, 28353, 470369, 1411107, 6114797, 18344391]

約数ペア:

[(1, 18344391), (3, 6114797), (13, 1411107), (39, 470369), (647, 28353), (727, 25233), (1941, 9451), (2181, 8411)]