18670323

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 29253312

約数和(自身を除く): 10582989

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 1187, 2247, 3561, 5243, 8309, 15729, 24927, 58163, 127009, 174489, 381027, 889063, 2667189, 6223441, 18670323]

約数ペア:

[(1, 18670323), (3, 6223441), (7, 2667189), (21, 889063), (49, 381027), (107, 174489), (147, 127009), (321, 58163), (749, 24927), (1187, 15729), (2247, 8309), (3561, 5243)]