30391678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4019}}^1$

素因数の和:4239

約数の個数: 16

約数和(自身を含む): 48240000

約数和(自身を除く): 17848322

約数列:

[1, 2, 19, 38, 199, 398, 3781, 4019, 7562, 8038, 76361, 152722, 799781, 1599562, 15195839, 30391678]

約数ペア:

[(1, 30391678), (2, 15195839), (19, 1599562), (38, 799781), (199, 152722), (398, 76361), (3781, 8038), (4019, 7562)]