18957284

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66751}}^1$

素因数の和:66826

約数の個数: 12

約数和(自身を含む): 33643008

約数和(自身を除く): 14685724

約数列:

[1, 2, 4, 71, 142, 284, 66751, 133502, 267004, 4739321, 9478642, 18957284]

約数ペア:

[(1, 18957284), (2, 9478642), (4, 4739321), (71, 267004), (142, 133502), (284, 66751)]