18974795

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 26660256

約数和(自身を除く): 7685461

約数列:

[1, 5, 7, 35, 53, 193, 265, 371, 965, 1351, 1855, 2809, 6755, 10229, 14045, 19663, 51145, 71603, 98315, 358015, 542137, 2710685, 3794959, 18974795]

約数ペア:

[(1, 18974795), (5, 3794959), (7, 2710685), (35, 542137), (53, 358015), (193, 98315), (265, 71603), (371, 51145), (965, 19663), (1351, 14045), (1855, 10229), (2809, 6755)]