18916677

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12437}}^1$

素因数の和:12469

約数の個数: 18

約数和(自身を含む): 29590002

約数和(自身を除く): 10673325

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12437, 37311, 111933, 161681, 485043, 1455129, 2101853, 6305559, 18916677]

約数ペア:

[(1, 18916677), (3, 6305559), (9, 2101853), (13, 1455129), (39, 485043), (117, 161681), (169, 111933), (507, 37311), (1521, 12437)]