18910593

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12433}}^1$

素因数の和:12465

約数の個数: 18

約数和(自身を含む): 29580486

約数和(自身を除く): 10669893

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12433, 37299, 111897, 161629, 484887, 1454661, 2101177, 6303531, 18910593]

約数ペア:

[(1, 18910593), (3, 6303531), (9, 2101177), (13, 1454661), (39, 484887), (117, 161629), (169, 111897), (507, 37299), (1521, 12433)]