19286795

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 6568405

約数列:

[1, 5, 11, 55, 71, 121, 355, 449, 605, 781, 2245, 3905, 4939, 8591, 24695, 31879, 42955, 54329, 159395, 271645, 350669, 1753345, 3857359, 19286795]

約数ペア:

[(1, 19286795), (5, 3857359), (11, 1753345), (55, 350669), (71, 271645), (121, 159395), (355, 54329), (449, 42955), (605, 31879), (781, 24695), (2245, 8591), (3905, 4939)]