18422361

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 27483456

約数和(自身を除く): 9061095

約数列:

[1, 3, 9, 43, 129, 181, 263, 387, 543, 789, 1629, 2367, 7783, 11309, 23349, 33927, 47603, 70047, 101781, 142809, 428427, 2046929, 6140787, 18422361]

約数ペア:

[(1, 18422361), (3, 6140787), (9, 2046929), (43, 428427), (129, 142809), (181, 101781), (263, 70047), (387, 47603), (543, 33927), (789, 23349), (1629, 11309), (2367, 7783)]