15861295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 4298705

約数列:

[1, 5, 19, 95, 199, 839, 995, 3781, 4195, 15941, 18905, 79705, 166961, 834805, 3172259, 15861295]

約数ペア:

[(1, 15861295), (5, 3172259), (19, 834805), (95, 166961), (199, 79705), (839, 18905), (995, 15941), (3781, 4195)]