18637389

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 28704312

約数和(自身を除く): 10066923

約数列:

[1, 3, 9, 17, 51, 153, 181, 543, 673, 1629, 2019, 3077, 6057, 9231, 11441, 27693, 34323, 102969, 121813, 365439, 1096317, 2070821, 6212463, 18637389]

約数ペア:

[(1, 18637389), (3, 6212463), (9, 2070821), (17, 1096317), (51, 365439), (153, 121813), (181, 102969), (543, 34323), (673, 27693), (1629, 11441), (2019, 9231), (3077, 6057)]