18396862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19447}}^1$

素因数の和:19503

約数の個数: 16

約数和(自身を含む): 30805632

約数和(自身を除く): 12408770

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19447, 38894, 213917, 427834, 836221, 1672442, 9198431, 18396862]

約数ペア:

[(1, 18396862), (2, 9198431), (11, 1672442), (22, 836221), (43, 427834), (86, 213917), (473, 38894), (946, 19447)]