19492970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 40283136

約数和(自身を除く): 20790166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281, 562, 991, 1405, 1967, 1982, 2810, 3934, 4955, 6937, 9835, 9910, 13874, 19670, 34685, 69370, 278471, 556942, 1392355, 1949297, 2784710, 3898594, 9746485, 19492970]

約数ペア:

[(1, 19492970), (2, 9746485), (5, 3898594), (7, 2784710), (10, 1949297), (14, 1392355), (35, 556942), (70, 278471), (281, 69370), (562, 34685), (991, 19670), (1405, 13874), (1967, 9910), (1982, 9835), (2810, 6937), (3934, 4955)]