18857258

素因数分解:

$2^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1206

約数の個数: 24

約数和(自身を含む): 33107652

約数和(自身を除く): 14250394

約数列:

[1, 2, 7, 14, 49, 98, 193, 386, 997, 1351, 1994, 2702, 6979, 9457, 13958, 18914, 48853, 97706, 192421, 384842, 1346947, 2693894, 9428629, 18857258]

約数ペア:

[(1, 18857258), (2, 9428629), (7, 2693894), (14, 1346947), (49, 384842), (98, 192421), (193, 97706), (386, 48853), (997, 18914), (1351, 13958), (1994, 9457), (2702, 6979)]