18421095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 19318425

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 55, 77, 105, 123, 165, 205, 231, 287, 385, 389, 451, 615, 861, 1155, 1167, 1353, 1435, 1945, 2255, 2723, 3157, 4279, 4305, 5835, 6765, 8169, 9471, 12837, 13615, 15785, 15949, 21395, 29953, 40845, 47355, 47847, 64185, 79745, 89859, 111643, 149765, 175439, 239235, 334929, 449295, 526317, 558215, 877195, 1228073, 1674645, 2631585, 3684219, 6140365, 18421095]

約数ペア:

[(1, 18421095), (3, 6140365), (5, 3684219), (7, 2631585), (11, 1674645), (15, 1228073), (21, 877195), (33, 558215), (35, 526317), (41, 449295), (55, 334929), (77, 239235), (105, 175439), (123, 149765), (165, 111643), (205, 89859), (231, 79745), (287, 64185), (385, 47847), (389, 47355), (451, 40845), (615, 29953), (861, 21395), (1155, 15949), (1167, 15785), (1353, 13615), (1435, 12837), (1945, 9471), (2255, 8169), (2723, 6765), (3157, 5835), (4279, 4305)]