19285090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18817310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 881, 995, 1762, 1990, 2189, 4378, 4405, 8810, 9691, 10945, 19382, 21890, 48455, 96910, 175319, 350638, 876595, 1753190, 1928509, 3857018, 9642545, 19285090]

約数ペア:

[(1, 19285090), (2, 9642545), (5, 3857018), (10, 1928509), (11, 1753190), (22, 876595), (55, 350638), (110, 175319), (199, 96910), (398, 48455), (881, 21890), (995, 19382), (1762, 10945), (1990, 9691), (2189, 8810), (4378, 4405)]