19828676

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 40707072

約数和(自身を除く): 20878396

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 383, 602, 766, 1204, 1532, 1849, 2681, 3698, 5362, 7396, 10724, 12943, 16469, 25886, 32938, 51772, 65876, 115283, 230566, 461132, 708167, 1416334, 2832668, 4957169, 9914338, 19828676]

約数ペア:

[(1, 19828676), (2, 9914338), (4, 4957169), (7, 2832668), (14, 1416334), (28, 708167), (43, 461132), (86, 230566), (172, 115283), (301, 65876), (383, 51772), (602, 32938), (766, 25886), (1204, 16469), (1532, 12943), (1849, 10724), (2681, 7396), (3698, 5362)]