18416180

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4021}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 38852520

約数和(自身を除く): 20436340

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4021, 4580, 8042, 16084, 20105, 40210, 80420, 920809, 1841618, 3683236, 4604045, 9208090, 18416180]

約数ペア:

[(1, 18416180), (2, 9208090), (4, 4604045), (5, 3683236), (10, 1841618), (20, 920809), (229, 80420), (458, 40210), (916, 20105), (1145, 16084), (2290, 8042), (4021, 4580)]