15152120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19937}}^1$

素因数の和:19967

約数の個数: 32

約数和(自身を含む): 35888400

約数和(自身を除く): 20736280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 19937, 39874, 79748, 99685, 159496, 199370, 378803, 398740, 757606, 797480, 1515212, 1894015, 3030424, 3788030, 7576060, 15152120]

約数ペア:

[(1, 15152120), (2, 7576060), (4, 3788030), (5, 3030424), (8, 1894015), (10, 1515212), (19, 797480), (20, 757606), (38, 398740), (40, 378803), (76, 199370), (95, 159496), (152, 99685), (190, 79748), (380, 39874), (760, 19937)]