19110460

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1009}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 40214160

約数和(自身を除く): 21103700

約数列:

[1, 2, 4, 5, 10, 20, 947, 1009, 1894, 2018, 3788, 4036, 4735, 5045, 9470, 10090, 18940, 20180, 955523, 1911046, 3822092, 4777615, 9555230, 19110460]

約数ペア:

[(1, 19110460), (2, 9555230), (4, 4777615), (5, 3822092), (10, 1911046), (20, 955523), (947, 20180), (1009, 18940), (1894, 10090), (2018, 9470), (3788, 5045), (4036, 4735)]