19571156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4157}}^1$

素因数の和:4279

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 18150220

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4157, 4708, 8314, 16628, 45727, 91454, 182908, 444799, 889598, 1779196, 4892789, 9785578, 19571156]

約数ペア:

[(1, 19571156), (2, 9785578), (4, 4892789), (11, 1779196), (22, 889598), (44, 444799), (107, 182908), (214, 91454), (428, 45727), (1177, 16628), (2354, 8314), (4157, 4708)]