19320980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138007}}^1$

素因数の和:138023

約数の個数: 24

約数和(自身を含む): 46370688

約数和(自身を除く): 27049708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138007, 276014, 552028, 690035, 966049, 1380070, 1932098, 2760140, 3864196, 4830245, 9660490, 19320980]

約数ペア:

[(1, 19320980), (2, 9660490), (4, 4830245), (5, 3864196), (7, 2760140), (10, 1932098), (14, 1380070), (20, 966049), (28, 690035), (35, 552028), (70, 276014), (140, 138007)]