19825107

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 27189888

約数和(自身を除く): 7364781

約数列:

[1, 3, 43, 129, 313, 491, 939, 1473, 13459, 21113, 40377, 63339, 153683, 461049, 6608369, 19825107]

約数ペア:

[(1, 19825107), (3, 6608369), (43, 461049), (129, 153683), (313, 63339), (491, 40377), (939, 21113), (1473, 13459)]