19635536680

素因数分解:

$2^3\times 5^1\times {\mathrm{490888417}}^1$

素因数の和:490888428

約数の個数: 16

約数和(自身を含む): 44179957620

約数和(自身を除く): 24544420940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 490888417, 981776834, 1963553668, 2454442085, 3927107336, 4908884170, 9817768340, 19635536680]

約数ペア:

[(1, 19635536680), (2, 9817768340), (4, 4908884170), (5, 3927107336), (8, 2454442085), (10, 1963553668), (20, 981776834), (40, 490888417)]