18478629

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12149}}^1$

素因数の和:12181

約数の個数: 18

約数和(自身を含む): 28904850

約数和(自身を除く): 10426221

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12149, 36447, 109341, 157937, 473811, 1421433, 2053181, 6159543, 18478629]

約数ペア:

[(1, 18478629), (3, 6159543), (9, 2053181), (13, 1421433), (39, 473811), (117, 157937), (169, 109341), (507, 36447), (1521, 12149)]