19201640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1733}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 43384680

約数和(自身を除く): 24183040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 1733, 2216, 2770, 3466, 5540, 6932, 8665, 11080, 13864, 17330, 34660, 69320, 480041, 960082, 1920164, 2400205, 3840328, 4800410, 9600820, 19201640]

約数ペア:

[(1, 19201640), (2, 9600820), (4, 4800410), (5, 3840328), (8, 2400205), (10, 1920164), (20, 960082), (40, 480041), (277, 69320), (554, 34660), (1108, 17330), (1385, 13864), (1733, 11080), (2216, 8665), (2770, 6932), (3466, 5540)]