19962879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9103}}^1$

素因数の和:9166

約数の個数: 16

約数和(自身を含む): 28841472

約数和(自身を除く): 8878593

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9103, 27309, 154751, 391429, 464253, 1174287, 6654293, 19962879]

約数ペア:

[(1, 19962879), (3, 6654293), (17, 1174287), (43, 464253), (51, 391429), (129, 154751), (731, 27309), (2193, 9103)]