18165927

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12589}}^1$

素因数の和:12642

約数の個数: 16

約数和(自身を含む): 26791520

約数和(自身を除く): 8625593

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 12589, 37767, 163657, 465793, 490971, 1397379, 6055309, 18165927]

約数ペア:

[(1, 18165927), (3, 6055309), (13, 1397379), (37, 490971), (39, 465793), (111, 163657), (481, 37767), (1443, 12589)]