19621588

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{379}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 40283040

約数和(自身を除く): 20661452

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 379, 602, 758, 1204, 1516, 1849, 2653, 3698, 5306, 7396, 10612, 12943, 16297, 25886, 32594, 51772, 65188, 114079, 228158, 456316, 700771, 1401542, 2803084, 4905397, 9810794, 19621588]

約数ペア:

[(1, 19621588), (2, 9810794), (4, 4905397), (7, 2803084), (14, 1401542), (28, 700771), (43, 456316), (86, 228158), (172, 114079), (301, 65188), (379, 51772), (602, 32594), (758, 25886), (1204, 16297), (1516, 12943), (1849, 10612), (2653, 7396), (3698, 5306)]