15721708042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2079041}}^1$

素因数の和:2079261

約数の個数: 16

約数和(自身を含む): 24948504000

約数和(自身を除く): 9226795958

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 2079041, 4158082, 39501779, 79003558, 413729159, 827458318, 7860854021, 15721708042]

約数ペア:

[(1, 15721708042), (2, 7860854021), (19, 827458318), (38, 413729159), (199, 79003558), (398, 39501779), (3781, 4158082), (7562, 2079041)]