18507783

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12413}}^1$

素因数の和:12494

約数の個数: 16

約数和(自身を含む): 28601856

約数和(自身を除く): 10094073

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12413, 37239, 86891, 260673, 881323, 2643969, 6169261, 18507783]

約数ペア:

[(1, 18507783), (3, 6169261), (7, 2643969), (21, 881323), (71, 260673), (213, 86891), (497, 37239), (1491, 12413)]