18792908

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{43103}}^1$

素因数の和:43216

約数の個数: 12

約数和(自身を含む): 33190080

約数和(自身を除く): 14397172

約数列:

[1, 2, 4, 109, 218, 436, 43103, 86206, 172412, 4698227, 9396454, 18792908]

約数ペア:

[(1, 18792908), (2, 9396454), (4, 4698227), (109, 172412), (218, 86206), (436, 43103)]