18302907

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20269}}^1$

素因数の和:20322

約数の個数: 16

約数和(自身を含む): 28540160

約数和(自身を除く): 10237253

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 20269, 60807, 141883, 425649, 871567, 2614701, 6100969, 18302907]

約数ペア:

[(1, 18302907), (3, 6100969), (7, 2614701), (21, 871567), (43, 425649), (129, 141883), (301, 60807), (903, 20269)]