19181789

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 21841920

約数和(自身を除く): 2660131

約数列:

[1, 11, 29, 157, 319, 383, 1727, 4213, 4553, 11107, 50083, 60131, 122177, 661441, 1743799, 19181789]

約数ペア:

[(1, 19181789), (11, 1743799), (29, 661441), (157, 122177), (319, 60131), (383, 50083), (1727, 11107), (4213, 4553)]