2011988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4157}}^1$

素因数の和:4183

約数の個数: 18

約数和(自身を含む): 3871098

約数和(自身を除く): 1859110

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4157, 8314, 16628, 45727, 91454, 182908, 502997, 1005994, 2011988]

約数ペア:

[(1, 2011988), (2, 1005994), (4, 502997), (11, 182908), (22, 91454), (44, 45727), (121, 16628), (242, 8314), (484, 4157)]