18173181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7639}}^1$

素因数の和:7716

約数の個数: 16

約数和(自身を含む): 26526080

約数和(自身を除く): 8352899

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 7639, 22917, 99307, 297921, 465979, 1397937, 6057727, 18173181]

約数ペア:

[(1, 18173181), (3, 6057727), (13, 1397937), (39, 465979), (61, 297921), (183, 99307), (793, 22917), (2379, 7639)]