18867093

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 12340587

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1289, 2091, 3867, 4879, 9023, 14637, 21913, 27069, 52849, 65739, 153391, 158547, 369943, 460173, 898433, 1109829, 2695299, 6289031, 18867093]

約数ペア:

[(1, 18867093), (3, 6289031), (7, 2695299), (17, 1109829), (21, 898433), (41, 460173), (51, 369943), (119, 158547), (123, 153391), (287, 65739), (357, 52849), (697, 27069), (861, 21913), (1289, 14637), (2091, 9023), (3867, 4879)]