19677724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{447221}}^1$

素因数の和:447236

約数の個数: 12

約数和(自身を含む): 37566648

約数和(自身を除く): 17888924

約数列:

[1, 2, 4, 11, 22, 44, 447221, 894442, 1788884, 4919431, 9838862, 19677724]

約数ペア:

[(1, 19677724), (2, 9838862), (4, 4919431), (11, 1788884), (22, 894442), (44, 447221)]