18082540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2437}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 44235072

約数和(自身を除く): 26152532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2437, 3710, 4874, 7420, 9748, 12185, 17059, 24370, 34118, 48740, 68236, 85295, 129161, 170590, 258322, 341180, 516644, 645805, 904127, 1291610, 1808254, 2583220, 3616508, 4520635, 9041270, 18082540]

約数ペア:

[(1, 18082540), (2, 9041270), (4, 4520635), (5, 3616508), (7, 2583220), (10, 1808254), (14, 1291610), (20, 904127), (28, 645805), (35, 516644), (53, 341180), (70, 258322), (106, 170590), (140, 129161), (212, 85295), (265, 68236), (371, 48740), (530, 34118), (742, 24370), (1060, 17059), (1484, 12185), (1855, 9748), (2437, 7420), (3710, 4874)]