18320955

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4507}}^1$

素因数の和:4786

約数の個数: 16

約数和(自身を含む): 29428224

約数和(自身を除く): 11107269

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 4507, 13521, 22535, 67605, 1221397, 3664191, 6106985, 18320955]

約数ペア:

[(1, 18320955), (3, 6106985), (5, 3664191), (15, 1221397), (271, 67605), (813, 22535), (1355, 13521), (4065, 4507)]