18431133

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20411}}^1$

素因数の和:20464

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 10308963

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 20411, 61233, 142877, 428631, 877673, 2633019, 6143711, 18431133]

約数ペア:

[(1, 18431133), (3, 6143711), (7, 2633019), (21, 877673), (43, 428631), (129, 142877), (301, 61233), (903, 20411)]