12222122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17921}}^1$

素因数の和:17965

約数の個数: 16

約数和(自身を含む): 20646144

約数和(自身を除く): 8424022

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 17921, 35842, 197131, 394262, 555551, 1111102, 6111061, 12222122]

約数ペア:

[(1, 12222122), (2, 6111061), (11, 1111102), (22, 555551), (31, 394262), (62, 197131), (341, 35842), (682, 17921)]