19493800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3361}}^1$

素因数の和:3406

約数の個数: 48

約数和(自身を含む): 46899900

約数和(自身を除く): 27406100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3361, 5800, 6722, 13444, 16805, 26888, 33610, 67220, 84025, 97469, 134440, 168050, 194938, 336100, 389876, 487345, 672200, 779752, 974690, 1949380, 2436725, 3898760, 4873450, 9746900, 19493800]

約数ペア:

[(1, 19493800), (2, 9746900), (4, 4873450), (5, 3898760), (8, 2436725), (10, 1949380), (20, 974690), (25, 779752), (29, 672200), (40, 487345), (50, 389876), (58, 336100), (100, 194938), (116, 168050), (145, 134440), (200, 97469), (232, 84025), (290, 67220), (580, 33610), (725, 26888), (1160, 16805), (1450, 13444), (2900, 6722), (3361, 5800)]