18401180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131437}}^1$

素因数の和:131453

約数の個数: 24

約数和(自身を含む): 44163168

約数和(自身を除く): 25761988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131437, 262874, 525748, 657185, 920059, 1314370, 1840118, 2628740, 3680236, 4600295, 9200590, 18401180]

約数ペア:

[(1, 18401180), (2, 9200590), (4, 4600295), (5, 3680236), (7, 2628740), (10, 1840118), (14, 1314370), (20, 920059), (28, 657185), (35, 525748), (70, 262874), (140, 131437)]