18742707

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 28154880

約数和(自身を除く): 9412173

約数列:

[1, 3, 9, 47, 59, 141, 177, 423, 531, 751, 2253, 2773, 6759, 8319, 24957, 35297, 44309, 105891, 132927, 317673, 398781, 2082523, 6247569, 18742707]

約数ペア:

[(1, 18742707), (3, 6247569), (9, 2082523), (47, 398781), (59, 317673), (141, 132927), (177, 105891), (423, 44309), (531, 35297), (751, 24957), (2253, 8319), (2773, 6759)]