19793439

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 29644992

約数和(自身を除く): 9851553

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 641, 657, 1923, 3431, 5769, 10293, 30127, 30879, 46793, 90381, 140379, 271143, 421137, 2199271, 6597813, 19793439]

約数ペア:

[(1, 19793439), (3, 6597813), (9, 2199271), (47, 421137), (73, 271143), (141, 140379), (219, 90381), (423, 46793), (641, 30879), (657, 30127), (1923, 10293), (3431, 5769)]