18810513

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2683}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 29309280

約数和(自身を除く): 10498767

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 2683, 7011, 8049, 24147, 50977, 110003, 152931, 330009, 458793, 990027, 2090057, 6270171, 18810513]

約数ペア:

[(1, 18810513), (3, 6270171), (9, 2090057), (19, 990027), (41, 458793), (57, 330009), (123, 152931), (171, 110003), (369, 50977), (779, 24147), (2337, 8049), (2683, 7011)]