19653723

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{30757}}^1$

素因数の和:30834

約数の個数: 12

約数和(自身を含む): 28789488

約数和(自身を除く): 9135765

約数列:

[1, 3, 9, 71, 213, 639, 30757, 92271, 276813, 2183747, 6551241, 19653723]

約数ペア:

[(1, 19653723), (3, 6551241), (9, 2183747), (71, 276813), (213, 92271), (639, 30757)]