18580989

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6967}}^1$

素因数の和:7104

約数の個数: 16

約数和(自身を含む): 28540928

約数和(自身を除く): 9959939

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 6967, 20901, 48769, 146307, 884809, 2654427, 6193663, 18580989]

約数ペア:

[(1, 18580989), (3, 6193663), (7, 2654427), (21, 884809), (127, 146307), (381, 48769), (889, 20901), (2667, 6967)]