18708740

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1259}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 20663740

約数列:

[1, 2, 4, 5, 10, 20, 743, 1259, 1486, 2518, 2972, 3715, 5036, 6295, 7430, 12590, 14860, 25180, 935437, 1870874, 3741748, 4677185, 9354370, 18708740]

約数ペア:

[(1, 18708740), (2, 9354370), (4, 4677185), (5, 3741748), (10, 1870874), (20, 935437), (743, 25180), (1259, 14860), (1486, 12590), (2518, 7430), (2972, 6295), (3715, 5036)]