19400090

素因数分解:

$2^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2111}}^1$

素因数の和:3037

約数の個数: 16

約数和(自身を含む): 34974720

約数和(自身を除く): 15574630

約数列:

[1, 2, 5, 10, 919, 1838, 2111, 4222, 4595, 9190, 10555, 21110, 1940009, 3880018, 9700045, 19400090]

約数ペア:

[(1, 19400090), (2, 9700045), (5, 3880018), (10, 1940009), (919, 21110), (1838, 10555), (2111, 9190), (4222, 4595)]