18209655

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3089}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 31814640

約数和(自身を除く): 13604985

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3089, 5895, 9267, 15445, 27801, 46335, 139005, 404659, 1213977, 2023295, 3641931, 6069885, 18209655]

約数ペア:

[(1, 18209655), (3, 6069885), (5, 3641931), (9, 2023295), (15, 1213977), (45, 404659), (131, 139005), (393, 46335), (655, 27801), (1179, 15445), (1965, 9267), (3089, 5895)]