19645479

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 32614400

約数和(自身を除く): 12968921

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1567, 1791, 4179, 4701, 10969, 12537, 14103, 32907, 98721, 311833, 935499, 2182831, 2806497, 6548493, 19645479]

約数ペア:

[(1, 19645479), (3, 6548493), (7, 2806497), (9, 2182831), (21, 935499), (63, 311833), (199, 98721), (597, 32907), (1393, 14103), (1567, 12537), (1791, 10969), (4179, 4701)]