19540805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4651195

約数列:

[1, 5, 41, 199, 205, 479, 995, 2395, 8159, 19639, 40795, 95321, 98195, 476605, 3908161, 19540805]

約数ペア:

[(1, 19540805), (5, 3908161), (41, 476605), (199, 98195), (205, 95321), (479, 40795), (995, 19639), (2395, 8159)]