18788540

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2029}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 39560640

約数和(自身を除く): 20772100

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2029, 2315, 4058, 4630, 8116, 9260, 10145, 20290, 40580, 939427, 1878854, 3757708, 4697135, 9394270, 18788540]

約数ペア:

[(1, 18788540), (2, 9394270), (4, 4697135), (5, 3757708), (10, 1878854), (20, 939427), (463, 40580), (926, 20290), (1852, 10145), (2029, 9260), (2315, 8116), (4058, 4630)]