18724329

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8423}}^1$

素因数の和:8461

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 11939031

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8423, 25269, 75807, 109499, 160037, 328497, 480111, 985491, 1440333, 2080481, 6241443, 18724329]

約数ペア:

[(1, 18724329), (3, 6241443), (9, 2080481), (13, 1440333), (19, 985491), (39, 480111), (57, 328497), (117, 160037), (171, 109499), (247, 75807), (741, 25269), (2223, 8423)]