19075145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 24240000

約数和(自身を除く): 5164855

約数列:

[1, 5, 19, 95, 199, 995, 1009, 3781, 5045, 18905, 19171, 95855, 200791, 1003955, 3815029, 19075145]

約数ペア:

[(1, 19075145), (5, 3815029), (19, 1003955), (95, 200791), (199, 95855), (995, 19171), (1009, 18905), (3781, 5045)]