18128435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 23617440

約数和(自身を除く): 5489005

約数列:

[1, 5, 13, 65, 131, 655, 1703, 2129, 8515, 10645, 27677, 138385, 278899, 1394495, 3625687, 18128435]

約数ペア:

[(1, 18128435), (5, 3625687), (13, 1394495), (65, 278899), (131, 138385), (655, 27677), (1703, 10645), (2129, 8515)]