19962670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21937}}^1$

素因数の和:21964

約数の個数: 32

約数和(自身を含む): 44227008

約数和(自身を除く): 24264338

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21937, 43874, 109685, 153559, 219370, 285181, 307118, 570362, 767795, 1425905, 1535590, 1996267, 2851810, 3992534, 9981335, 19962670]

約数ペア:

[(1, 19962670), (2, 9981335), (5, 3992534), (7, 2851810), (10, 1996267), (13, 1535590), (14, 1425905), (26, 767795), (35, 570362), (65, 307118), (70, 285181), (91, 219370), (130, 153559), (182, 109685), (455, 43874), (910, 21937)]