18719224

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21467}}^1$

素因数の和:21582

約数の個数: 16

約数和(自身を含む): 35422200

約数和(自身を除く): 16702976

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21467, 42934, 85868, 171736, 2339903, 4679806, 9359612, 18719224]

約数ペア:

[(1, 18719224), (2, 9359612), (4, 4679806), (8, 2339903), (109, 171736), (218, 85868), (436, 42934), (872, 21467)]