15899105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 20904000

約数和(自身を除く): 5004895

約数列:

[1, 5, 19, 29, 95, 145, 199, 551, 841, 995, 2755, 3781, 4205, 5771, 15979, 18905, 28855, 79895, 109649, 167359, 548245, 836795, 3179821, 15899105]

約数ペア:

[(1, 15899105), (5, 3179821), (19, 836795), (29, 548245), (95, 167359), (145, 109649), (199, 79895), (551, 28855), (841, 18905), (995, 15979), (2755, 5771), (3781, 4205)]