18391186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19441}}^1$

素因数の和:19497

約数の個数: 16

約数和(自身を含む): 30796128

約数和(自身を除く): 12404942

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19441, 38882, 213851, 427702, 835963, 1671926, 9195593, 18391186]

約数ペア:

[(1, 18391186), (2, 9195593), (11, 1671926), (22, 835963), (43, 427702), (86, 213851), (473, 38882), (946, 19441)]