18871730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{82051}}^1$

素因数の和:82081

約数の個数: 16

約数和(自身を含む): 35446464

約数和(自身を除く): 16574734

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 82051, 164102, 410255, 820510, 1887173, 3774346, 9435865, 18871730]

約数ペア:

[(1, 18871730), (2, 9435865), (5, 3774346), (10, 1887173), (23, 820510), (46, 410255), (115, 164102), (230, 82051)]