18343972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4637}}^1$

素因数の和:4707

約数の個数: 24

約数和(自身を含む): 34284096

約数和(自身を除く): 15940124

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 4637, 9274, 18548, 106651, 199391, 213302, 398782, 426604, 797564, 4585993, 9171986, 18343972]

約数ペア:

[(1, 18343972), (2, 9171986), (4, 4585993), (23, 797564), (43, 426604), (46, 398782), (86, 213302), (92, 199391), (172, 106651), (989, 18548), (1978, 9274), (3956, 4637)]