19953549

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28793}}^1$

素因数の和:28817

約数の個数: 24

約数和(自身を含む): 35934912

約数和(自身を除く): 15981363

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28793, 86379, 201551, 259137, 316723, 604653, 950169, 1813959, 2217061, 2850507, 6651183, 19953549]

約数ペア:

[(1, 19953549), (3, 6651183), (7, 2850507), (9, 2217061), (11, 1813959), (21, 950169), (33, 604653), (63, 316723), (77, 259137), (99, 201551), (231, 86379), (693, 28793)]