19947092

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41213}}^1$

素因数の和:41239

約数の個数: 18

約数和(自身を含む): 38370234

約数和(自身を除く): 18423142

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41213, 82426, 164852, 453343, 906686, 1813372, 4986773, 9973546, 19947092]

約数ペア:

[(1, 19947092), (2, 9973546), (4, 4986773), (11, 1813372), (22, 906686), (44, 453343), (121, 164852), (242, 82426), (484, 41213)]