19230040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4493}}^1$

素因数の和:4611

約数の個数: 32

約数和(自身を含む): 43681680

約数和(自身を除く): 24451640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4493, 8986, 17972, 22465, 35944, 44930, 89860, 179720, 480751, 961502, 1923004, 2403755, 3846008, 4807510, 9615020, 19230040]

約数ペア:

[(1, 19230040), (2, 9615020), (4, 4807510), (5, 3846008), (8, 2403755), (10, 1923004), (20, 961502), (40, 480751), (107, 179720), (214, 89860), (428, 44930), (535, 35944), (856, 22465), (1070, 17972), (2140, 8986), (4280, 4493)]