18711561

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 28876960

約数和(自身を除く): 10165399

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 2713, 6897, 8139, 29843, 51547, 89529, 154641, 328273, 567017, 984819, 1701051, 6237187, 18711561]

約数ペア:

[(1, 18711561), (3, 6237187), (11, 1701051), (19, 984819), (33, 567017), (57, 328273), (121, 154641), (209, 89529), (363, 51547), (627, 29843), (2299, 8139), (2713, 6897)]