19942654

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:975

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 10533506

約数列:

[1, 2, 103, 131, 206, 262, 739, 1478, 13493, 26986, 76117, 96809, 152234, 193618, 9971327, 19942654]

約数ペア:

[(1, 19942654), (2, 9971327), (103, 193618), (131, 152234), (206, 96809), (262, 76117), (739, 26986), (1478, 13493)]