18428487

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79777}}^1$

素因数の和:79798

約数の個数: 16

約数和(自身を含む): 30634752

約数和(自身を除く): 12206265

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 79777, 239331, 558439, 877547, 1675317, 2632641, 6142829, 18428487]

約数ペア:

[(1, 18428487), (3, 6142829), (7, 2632641), (11, 1675317), (21, 877547), (33, 558439), (77, 239331), (231, 79777)]