18523947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 28159488

約数和(自身を除く): 9635541

約数列:

[1, 3, 13, 23, 39, 69, 107, 193, 299, 321, 579, 897, 1391, 2461, 2509, 4173, 4439, 7383, 7527, 13317, 20651, 31993, 57707, 61953, 95979, 173121, 268463, 474973, 805389, 1424919, 6174649, 18523947]

約数ペア:

[(1, 18523947), (3, 6174649), (13, 1424919), (23, 805389), (39, 474973), (69, 268463), (107, 173121), (193, 95979), (299, 61953), (321, 57707), (579, 31993), (897, 20651), (1391, 13317), (2461, 7527), (2509, 7383), (4173, 4439)]