18887255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9661}}^1$

素因数の和:9706

約数の個数: 16

約数和(自身を含む): 25043904

約数和(自身を除く): 6156649

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9661, 48305, 164237, 222203, 821185, 1111015, 3777451, 18887255]

約数ペア:

[(1, 18887255), (5, 3777451), (17, 1111015), (23, 821185), (85, 222203), (115, 164237), (391, 48305), (1955, 9661)]