19161820

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2843}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 40373424

約数和(自身を除く): 21211604

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2843, 3370, 5686, 6740, 11372, 14215, 28430, 56860, 958091, 1916182, 3832364, 4790455, 9580910, 19161820]

約数ペア:

[(1, 19161820), (2, 9580910), (4, 4790455), (5, 3832364), (10, 1916182), (20, 958091), (337, 56860), (674, 28430), (1348, 14215), (1685, 11372), (2843, 6740), (3370, 5686)]