19977370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6637}}^1$

素因数の和:6694

約数の個数: 32

約数和(自身を含む): 42058368

約数和(自身を除く): 22080998

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6637, 13274, 33185, 46459, 66370, 92918, 232295, 285391, 464590, 570782, 1426955, 1997737, 2853910, 3995474, 9988685, 19977370]

約数ペア:

[(1, 19977370), (2, 9988685), (5, 3995474), (7, 2853910), (10, 1997737), (14, 1426955), (35, 570782), (43, 464590), (70, 285391), (86, 232295), (215, 92918), (301, 66370), (430, 46459), (602, 33185), (1505, 13274), (3010, 6637)]