19857424

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{2591}}^1$

素因数の和:3078

約数の個数: 20

約数和(自身を含む): 38568960

約数和(自身を除く): 18711536

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 2591, 3832, 5182, 7664, 10364, 20728, 41456, 1241089, 2482178, 4964356, 9928712, 19857424]

約数ペア:

[(1, 19857424), (2, 9928712), (4, 4964356), (8, 2482178), (16, 1241089), (479, 41456), (958, 20728), (1916, 10364), (2591, 7664), (3832, 5182)]