19992483

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1171}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 33153536

約数和(自身を除く): 13161053

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1171, 1897, 2439, 3513, 5691, 8197, 10539, 17073, 24591, 73773, 317341, 952023, 2221387, 2856069, 6664161, 19992483]

約数ペア:

[(1, 19992483), (3, 6664161), (7, 2856069), (9, 2221387), (21, 952023), (63, 317341), (271, 73773), (813, 24591), (1171, 17073), (1897, 10539), (2439, 8197), (3513, 5691)]