18725245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 29673216

約数和(自身を除く): 10947971

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2861, 6545, 14305, 20027, 31471, 48637, 100135, 157355, 220297, 243185, 340459, 535007, 1101485, 1702295, 2675035, 3745049, 18725245]

約数ペア:

[(1, 18725245), (5, 3745049), (7, 2675035), (11, 1702295), (17, 1101485), (35, 535007), (55, 340459), (77, 243185), (85, 220297), (119, 157355), (187, 100135), (385, 48637), (595, 31471), (935, 20027), (1309, 14305), (2861, 6545)]