18122391

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16921}}^1$

素因数の和:16951

約数の個数: 24

約数和(自身を含む): 31677984

約数和(自身を除く): 13555593

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 16921, 50763, 118447, 152289, 287657, 355341, 862971, 1066023, 2013599, 2588913, 6040797, 18122391]

約数ペア:

[(1, 18122391), (3, 6040797), (7, 2588913), (9, 2013599), (17, 1066023), (21, 862971), (51, 355341), (63, 287657), (119, 152289), (153, 118447), (357, 50763), (1071, 16921)]