19181005

素因数分解:

$5^1\times {\mathrm{71}}^2\times {\mathrm{761}}^1$

素因数の和:908

約数の個数: 12

約数和(自身を含む): 23376636

約数和(自身を除く): 4195631

約数列:

[1, 5, 71, 355, 761, 3805, 5041, 25205, 54031, 270155, 3836201, 19181005]

約数ペア:

[(1, 19181005), (5, 3836201), (71, 270155), (355, 54031), (761, 25205), (3805, 5041)]