19838740

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3581}}^1$

素因数の和:3867

約数の個数: 24

約数和(自身を含む): 41823432

約数和(自身を除く): 21984692

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3581, 5540, 7162, 14324, 17905, 35810, 71620, 991937, 1983874, 3967748, 4959685, 9919370, 19838740]

約数ペア:

[(1, 19838740), (2, 9919370), (4, 4959685), (5, 3967748), (10, 1983874), (20, 991937), (277, 71620), (554, 35810), (1108, 17905), (1385, 14324), (2770, 7162), (3581, 5540)]