18065691

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 30051840

約数和(自身を除く): 11986149

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2063, 2919, 6189, 8757, 14441, 18567, 43323, 129969, 286757, 860271, 2007299, 2580813, 6021897, 18065691]

約数ペア:

[(1, 18065691), (3, 6021897), (7, 2580813), (9, 2007299), (21, 860271), (63, 286757), (139, 129969), (417, 43323), (973, 18567), (1251, 14441), (2063, 8757), (2919, 6189)]