19199080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5393}}^1$

素因数の和:5493

約数の個数: 32

約数和(自身を含む): 43691400

約数和(自身を除く): 24492320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5393, 10786, 21572, 26965, 43144, 53930, 107860, 215720, 479977, 959954, 1919908, 2399885, 3839816, 4799770, 9599540, 19199080]

約数ペア:

[(1, 19199080), (2, 9599540), (4, 4799770), (5, 3839816), (8, 2399885), (10, 1919908), (20, 959954), (40, 479977), (89, 215720), (178, 107860), (356, 53930), (445, 43144), (712, 26965), (890, 21572), (1780, 10786), (3560, 5393)]