19206740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137191}}^1$

素因数の和:137207

約数の個数: 24

約数和(自身を含む): 46096512

約数和(自身を除く): 26889772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137191, 274382, 548764, 685955, 960337, 1371910, 1920674, 2743820, 3841348, 4801685, 9603370, 19206740]

約数ペア:

[(1, 19206740), (2, 9603370), (4, 4801685), (5, 3841348), (7, 2743820), (10, 1920674), (14, 1371910), (20, 960337), (28, 685955), (35, 548764), (70, 274382), (140, 137191)]