1837580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 3892560

約数和(自身を除く): 2054980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 661, 695, 1322, 1390, 2644, 2780, 3305, 6610, 13220, 91879, 183758, 367516, 459395, 918790, 1837580]

約数ペア:

[(1, 1837580), (2, 918790), (4, 459395), (5, 367516), (10, 183758), (20, 91879), (139, 13220), (278, 6610), (556, 3305), (661, 2780), (695, 2644), (1322, 1390)]