19852120

素因数分解:

$2^3\times 5^1\times {\mathrm{496303}}^1$

素因数の和:496314

約数の個数: 16

約数和(自身を含む): 44667360

約数和(自身を除く): 24815240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 496303, 992606, 1985212, 2481515, 3970424, 4963030, 9926060, 19852120]

約数ペア:

[(1, 19852120), (2, 9926060), (4, 4963030), (5, 3970424), (8, 2481515), (10, 1985212), (20, 992606), (40, 496303)]