19527140

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1031}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 41090112

約数和(自身を除く): 21562972

約数列:

[1, 2, 4, 5, 10, 20, 947, 1031, 1894, 2062, 3788, 4124, 4735, 5155, 9470, 10310, 18940, 20620, 976357, 1952714, 3905428, 4881785, 9763570, 19527140]

約数ペア:

[(1, 19527140), (2, 9763570), (4, 4881785), (5, 3905428), (10, 1952714), (20, 976357), (947, 20620), (1031, 18940), (1894, 10310), (2062, 9470), (3788, 5155), (4124, 4735)]