19833040

素因数分解:

$2^4\times 5^1\times {\mathrm{247913}}^1$

素因数の和:247926

約数の個数: 20

約数和(自身を含む): 46112004

約数和(自身を除く): 26278964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 247913, 495826, 991652, 1239565, 1983304, 2479130, 3966608, 4958260, 9916520, 19833040]

約数ペア:

[(1, 19833040), (2, 9916520), (4, 4958260), (5, 3966608), (8, 2479130), (10, 1983304), (16, 1239565), (20, 991652), (40, 495826), (80, 247913)]