1989724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4111}}^1$

素因数の和:4137

約数の個数: 18

約数和(自身を含む): 3828272

約数和(自身を除く): 1838548

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4111, 8222, 16444, 45221, 90442, 180884, 497431, 994862, 1989724]

約数ペア:

[(1, 1989724), (2, 994862), (4, 497431), (11, 180884), (22, 90442), (44, 45221), (121, 16444), (242, 8222), (484, 4111)]