18379767

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21347}}^1$

素因数の和:21398

約数の個数: 16

約数和(自身を含む): 28691712

約数和(自身を除く): 10311945

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21347, 64041, 149429, 448287, 875227, 2625681, 6126589, 18379767]

約数ペア:

[(1, 18379767), (3, 6126589), (7, 2625681), (21, 875227), (41, 448287), (123, 149429), (287, 64041), (861, 21347)]