19812793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19793}}^1$

素因数の和:19824

約数の個数: 16

約数和(自身を含む): 26603136

約数和(自身を除く): 6790343

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 19793, 138551, 217723, 257309, 1524061, 1801163, 2830399, 19812793]

約数ペア:

[(1, 19812793), (7, 2830399), (11, 1801163), (13, 1524061), (77, 257309), (91, 217723), (143, 138551), (1001, 19793)]