19412752

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4721}}^1$

素因数の和:4986

約数の個数: 20

約数和(自身を含む): 37766556

約数和(自身を除く): 18353804

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4721, 9442, 18884, 37768, 75536, 1213297, 2426594, 4853188, 9706376, 19412752]

約数ペア:

[(1, 19412752), (2, 9706376), (4, 4853188), (8, 2426594), (16, 1213297), (257, 75536), (514, 37768), (1028, 18884), (2056, 9442), (4112, 4721)]