19880367

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12433}}^1$

素因数の和:12490

約数の個数: 16

約数和(自身を含む): 29244768

約数和(自身を除く): 9364401

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12433, 37299, 161629, 484887, 509753, 1529259, 6626789, 19880367]

約数ペア:

[(1, 19880367), (3, 6626789), (13, 1529259), (39, 509753), (41, 484887), (123, 161629), (533, 37299), (1599, 12433)]