18254061

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 31868928

約数和(自身を除く): 13614867

約数列:

[1, 3, 7, 9, 21, 37, 41, 63, 111, 123, 191, 259, 287, 333, 369, 573, 777, 861, 1337, 1517, 1719, 2331, 2583, 4011, 4551, 7067, 7831, 10619, 12033, 13653, 21201, 23493, 31857, 49469, 54817, 63603, 70479, 95571, 148407, 164451, 289747, 445221, 493353, 869241, 2028229, 2607723, 6084687, 18254061]

約数ペア:

[(1, 18254061), (3, 6084687), (7, 2607723), (9, 2028229), (21, 869241), (37, 493353), (41, 445221), (63, 289747), (111, 164451), (123, 148407), (191, 95571), (259, 70479), (287, 63603), (333, 54817), (369, 49469), (573, 31857), (777, 23493), (861, 21201), (1337, 13653), (1517, 12033), (1719, 10619), (2331, 7831), (2583, 7067), (4011, 4551)]