19907573

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21383}}^1$

素因数の和:21416

約数の個数: 12

約数和(自身を含む): 24377760

約数和(自身を除く): 4470187

約数列:

[1, 7, 19, 49, 133, 931, 21383, 149681, 406277, 1047767, 2843939, 19907573]

約数ペア:

[(1, 19907573), (7, 2843939), (19, 1047767), (49, 406277), (133, 149681), (931, 21383)]