19790260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141359}}^1$

素因数の和:141375

約数の個数: 24

約数和(自身を含む): 47496960

約数和(自身を除く): 27706700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141359, 282718, 565436, 706795, 989513, 1413590, 1979026, 2827180, 3958052, 4947565, 9895130, 19790260]

約数ペア:

[(1, 19790260), (2, 9895130), (4, 4947565), (5, 3958052), (7, 2827180), (10, 1979026), (14, 1413590), (20, 989513), (28, 706795), (35, 565436), (70, 282718), (140, 141359)]