20180390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42937}}^1$

素因数の和:42991

約数の個数: 16

約数和(自身を含む): 37098432

約数和(自身を除く): 16918042

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42937, 85874, 214685, 429370, 2018039, 4036078, 10090195, 20180390]

約数ペア:

[(1, 20180390), (2, 10090195), (5, 4036078), (10, 2018039), (47, 429370), (94, 214685), (235, 85874), (470, 42937)]