17997208

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{20639}}^1$

素因数の和:20754

約数の個数: 16

約数和(自身を含む): 34056000

約数和(自身を除く): 16058792

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 20639, 41278, 82556, 165112, 2249651, 4499302, 8998604, 17997208]

約数ペア:

[(1, 17997208), (2, 8998604), (4, 4499302), (8, 2249651), (109, 165112), (218, 82556), (436, 41278), (872, 20639)]