18903309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{14419}}^1$

素因数の和:14464

約数の個数: 16

約数和(自身を含む): 27686400

約数和(自身を除く): 8783091

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 14419, 43257, 273961, 331637, 821883, 994911, 6301103, 18903309]

約数ペア:

[(1, 18903309), (3, 6301103), (19, 994911), (23, 821883), (57, 331637), (69, 273961), (437, 43257), (1311, 14419)]