18595420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6689}}^1$

素因数の和:6837

約数の個数: 24

約数和(自身を含む): 39337200

約数和(自身を除く): 20741780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6689, 13378, 26756, 33445, 66890, 133780, 929771, 1859542, 3719084, 4648855, 9297710, 18595420]

約数ペア:

[(1, 18595420), (2, 9297710), (4, 4648855), (5, 3719084), (10, 1859542), (20, 929771), (139, 133780), (278, 66890), (556, 33445), (695, 26756), (1390, 13378), (2780, 6689)]