2018005945

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{21121}}^1$

素因数の和:21420

約数の個数: 16

約数和(自身を含む): 2459107728

約数和(自身を除く): 441101783

約数列:

[1, 5, 97, 197, 485, 985, 19109, 21121, 95545, 105605, 2048737, 4160837, 10243685, 20804185, 403601189, 2018005945]

約数ペア:

[(1, 2018005945), (5, 403601189), (97, 20804185), (197, 10243685), (485, 4160837), (985, 2048737), (19109, 105605), (21121, 95545)]