2019989620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9181771}}^1$

素因数の和:9181791

約数の個数: 24

約数和(自身を含む): 4627613088

約数和(自身を除く): 2607623468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9181771, 18363542, 36727084, 45908855, 91817710, 100999481, 183635420, 201998962, 403997924, 504997405, 1009994810, 2019989620]

約数ペア:

[(1, 2019989620), (2, 1009994810), (4, 504997405), (5, 403997924), (10, 201998962), (11, 183635420), (20, 100999481), (22, 91817710), (44, 45908855), (55, 36727084), (110, 18363542), (220, 9181771)]