18825380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2861}}^1$

素因数の和:2924

約数の個数: 48

約数和(自身を含む): 46158336

約数和(自身を除く): 27332956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2861, 3290, 5722, 6580, 11444, 14305, 20027, 28610, 40054, 57220, 80108, 100135, 134467, 200270, 268934, 400540, 537868, 672335, 941269, 1344670, 1882538, 2689340, 3765076, 4706345, 9412690, 18825380]

約数ペア:

[(1, 18825380), (2, 9412690), (4, 4706345), (5, 3765076), (7, 2689340), (10, 1882538), (14, 1344670), (20, 941269), (28, 672335), (35, 537868), (47, 400540), (70, 268934), (94, 200270), (140, 134467), (188, 100135), (235, 80108), (329, 57220), (470, 40054), (658, 28610), (940, 20027), (1316, 14305), (1645, 11444), (2861, 6580), (3290, 5722)]