2015189818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{266489}}^1$

素因数の和:266709

約数の個数: 16

約数和(自身を含む): 3197880000

約数和(自身を除く): 1182690182

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 266489, 532978, 5063291, 10126582, 53031311, 106062622, 1007594909, 2015189818]

約数ペア:

[(1, 2015189818), (2, 1007594909), (19, 106062622), (38, 53031311), (199, 10126582), (398, 5063291), (3781, 532978), (7562, 266489)]