19177040

素因数分解:

$2^4\times 5^1\times {\mathrm{239713}}^1$

素因数の和:239726

約数の個数: 20

約数和(自身を含む): 44586804

約数和(自身を除く): 25409764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239713, 479426, 958852, 1198565, 1917704, 2397130, 3835408, 4794260, 9588520, 19177040]

約数ペア:

[(1, 19177040), (2, 9588520), (4, 4794260), (5, 3835408), (8, 2397130), (10, 1917704), (16, 1198565), (20, 958852), (40, 479426), (80, 239713)]