19016680

素因数分解:

$2^3\times 5^1\times {\mathrm{475417}}^1$

素因数の和:475428

約数の個数: 16

約数和(自身を含む): 42787620

約数和(自身を除く): 23770940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475417, 950834, 1901668, 2377085, 3803336, 4754170, 9508340, 19016680]

約数ペア:

[(1, 19016680), (2, 9508340), (4, 4754170), (5, 3803336), (8, 2377085), (10, 1901668), (20, 950834), (40, 475417)]