19478740

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4253}}^1$

素因数の和:4491

約数の個数: 24

約数和(自身を含む): 41093640

約数和(自身を除く): 21614900

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4253, 4580, 8506, 17012, 21265, 42530, 85060, 973937, 1947874, 3895748, 4869685, 9739370, 19478740]

約数ペア:

[(1, 19478740), (2, 9739370), (4, 4869685), (5, 3895748), (10, 1947874), (20, 973937), (229, 85060), (458, 42530), (916, 21265), (1145, 17012), (2290, 8506), (4253, 4580)]