18940150

素因数分解:

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

素因数の和:19968

約数の個数: 24

約数和(自身を含む): 37084680

約数和(自身を除く): 18144530

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 19937, 39874, 99685, 199370, 378803, 498425, 757606, 996850, 1894015, 3788030, 9470075, 18940150]

約数ペア:

[(1, 18940150), (2, 9470075), (5, 3788030), (10, 1894015), (19, 996850), (25, 757606), (38, 498425), (50, 378803), (95, 199370), (190, 99685), (475, 39874), (950, 19937)]