18128266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2713}}^1$

素因数の和:2985

約数の個数: 16

約数和(自身を含む): 29408904

約数和(自身を除く): 11280638

約数列:

[1, 2, 13, 26, 257, 514, 2713, 3341, 5426, 6682, 35269, 70538, 697241, 1394482, 9064133, 18128266]

約数ペア:

[(1, 18128266), (2, 9064133), (13, 1394482), (26, 697241), (257, 70538), (514, 35269), (2713, 6682), (3341, 5426)]