19385560

素因数分解:

$2^3\times 5^1\times {\mathrm{484639}}^1$

素因数の和:484650

約数の個数: 16

約数和(自身を含む): 43617600

約数和(自身を除く): 24232040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 484639, 969278, 1938556, 2423195, 3877112, 4846390, 9692780, 19385560]

約数ペア:

[(1, 19385560), (2, 9692780), (4, 4846390), (5, 3877112), (8, 2423195), (10, 1938556), (20, 969278), (40, 484639)]