19764657

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1103}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 31344768

約数和(自身を除く): 11580111

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1103, 1629, 1991, 3309, 5973, 9927, 12133, 17919, 36399, 109197, 199643, 598929, 1796787, 2196073, 6588219, 19764657]

約数ペア:

[(1, 19764657), (3, 6588219), (9, 2196073), (11, 1796787), (33, 598929), (99, 199643), (181, 109197), (543, 36399), (1103, 17919), (1629, 12133), (1991, 9927), (3309, 5973)]