18320540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 26095972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1223, 1498, 2140, 2446, 2996, 3745, 4892, 6115, 7490, 8561, 12230, 14980, 17122, 24460, 34244, 42805, 85610, 130861, 171220, 261722, 523444, 654305, 916027, 1308610, 1832054, 2617220, 3664108, 4580135, 9160270, 18320540]

約数ペア:

[(1, 18320540), (2, 9160270), (4, 4580135), (5, 3664108), (7, 2617220), (10, 1832054), (14, 1308610), (20, 916027), (28, 654305), (35, 523444), (70, 261722), (107, 171220), (140, 130861), (214, 85610), (428, 42805), (535, 34244), (749, 24460), (1070, 17122), (1223, 14980), (1498, 12230), (2140, 8561), (2446, 7490), (2996, 6115), (3745, 4892)]