19020740

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4153}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 40127640

約数和(自身を除く): 21106900

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4153, 4580, 8306, 16612, 20765, 41530, 83060, 951037, 1902074, 3804148, 4755185, 9510370, 19020740]

約数ペア:

[(1, 19020740), (2, 9510370), (4, 4755185), (5, 3804148), (10, 1902074), (20, 951037), (229, 83060), (458, 41530), (916, 20765), (1145, 16612), (2290, 8306), (4153, 4580)]