19004928760

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{295291}}^1$

素因数の和:296911

約数の個数: 32

約数和(自身を含む): 42787810800

約数和(自身を除く): 23782882040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 6436, 8045, 12872, 16090, 32180, 64360, 295291, 590582, 1181164, 1476455, 2362328, 2952910, 5905820, 11811640, 475123219, 950246438, 1900492876, 2375616095, 3800985752, 4751232190, 9502464380, 19004928760]

約数ペア:

[(1, 19004928760), (2, 9502464380), (4, 4751232190), (5, 3800985752), (8, 2375616095), (10, 1900492876), (20, 950246438), (40, 475123219), (1609, 11811640), (3218, 5905820), (6436, 2952910), (8045, 2362328), (12872, 1476455), (16090, 1181164), (32180, 590582), (64360, 295291)]