19478485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7309}}^1$

素因数の和:7368

約数の個数: 16

約数和(自身を含む): 25789680

約数和(自身を除く): 6311195

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7309, 36545, 95017, 299669, 475085, 1498345, 3895697, 19478485]

約数ペア:

[(1, 19478485), (5, 3895697), (13, 1498345), (41, 475085), (65, 299669), (205, 95017), (533, 36545), (2665, 7309)]