18898090

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12037}}^1$

素因数の和:12201

約数の個数: 16

約数和(自身を含む): 34236072

約数和(自身を除く): 15337982

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12037, 24074, 60185, 120370, 1889809, 3779618, 9449045, 18898090]

約数ペア:

[(1, 18898090), (2, 9449045), (5, 3779618), (10, 1889809), (157, 120370), (314, 60185), (785, 24074), (1570, 12037)]