18899139

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4663}}^1$

素因数の和:4866

約数の個数: 16

約数和(自身を含む): 28954112

約数和(自身を除く): 10054973

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4663, 13989, 32641, 97923, 899959, 2699877, 6299713, 18899139]

約数ペア:

[(1, 18899139), (3, 6299713), (7, 2699877), (21, 899959), (193, 97923), (579, 32641), (1351, 13989), (4053, 4663)]