19401110

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21799}}^1$

素因数の和:21895

約数の個数: 16

約数和(自身を含む): 35316000

約数和(自身を除く): 15914890

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21799, 43598, 108995, 217990, 1940111, 3880222, 9700555, 19401110]

約数ペア:

[(1, 19401110), (2, 9700555), (5, 3880222), (10, 1940111), (89, 217990), (178, 108995), (445, 43598), (890, 21799)]