11487940

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1871}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 24216192

約数和(自身を除く): 12728252

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 1871, 3070, 3742, 6140, 7484, 9355, 18710, 37420, 574397, 1148794, 2297588, 2871985, 5743970, 11487940]

約数ペア:

[(1, 11487940), (2, 5743970), (4, 2871985), (5, 2297588), (10, 1148794), (20, 574397), (307, 37420), (614, 18710), (1228, 9355), (1535, 7484), (1871, 6140), (3070, 3742)]