18609808321

素因数分解:

${\mathrm{13}}^2\times {\mathrm{5227}}^1\times {\mathrm{21067}}^1$

素因数の和:26320

約数の個数: 12

約数和(自身を含む): 20156261232

約数和(自身を除く): 1546452911

約数列:

[1, 13, 169, 5227, 21067, 67951, 273871, 883363, 3560323, 110117209, 1431523717, 18609808321]

約数ペア:

[(1, 18609808321), (13, 1431523717), (169, 110117209), (5227, 3560323), (21067, 883363), (67951, 273871)]