18758828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 36780072

約数和(自身を除く): 18021244

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 193, 386, 517, 772, 1034, 2068, 2123, 2209, 4246, 4418, 8492, 8836, 9071, 18142, 24299, 36284, 48598, 97196, 99781, 199562, 399124, 426337, 852674, 1705348, 4689707, 9379414, 18758828]

約数ペア:

[(1, 18758828), (2, 9379414), (4, 4689707), (11, 1705348), (22, 852674), (44, 426337), (47, 399124), (94, 199562), (188, 99781), (193, 97196), (386, 48598), (517, 36284), (772, 24299), (1034, 18142), (2068, 9071), (2123, 8836), (2209, 8492), (4246, 4418)]