18840081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2503}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 27203456

約数和(自身を除く): 8363375

約数列:

[1, 3, 13, 39, 193, 579, 2503, 2509, 7509, 7527, 32539, 97617, 483079, 1449237, 6280027, 18840081]

約数ペア:

[(1, 18840081), (3, 6280027), (13, 1449237), (39, 483079), (193, 97617), (579, 32539), (2503, 7527), (2509, 7509)]