18855309

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 27919360

約数和(自身を除く): 9064051

約数列:

[1, 3, 11, 33, 121, 127, 363, 381, 409, 1227, 1397, 4191, 4499, 13497, 15367, 46101, 49489, 51943, 148467, 155829, 571373, 1714119, 6285103, 18855309]

約数ペア:

[(1, 18855309), (3, 6285103), (11, 1714119), (33, 571373), (121, 155829), (127, 148467), (363, 51943), (381, 49489), (409, 46101), (1227, 15367), (1397, 13497), (4191, 4499)]