19069040

素因数分解:

$2^4\times 5^1\times {\mathrm{238363}}^1$

素因数の和:238376

約数の個数: 20

約数和(自身を含む): 44335704

約数和(自身を除く): 25266664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238363, 476726, 953452, 1191815, 1906904, 2383630, 3813808, 4767260, 9534520, 19069040]

約数ペア:

[(1, 19069040), (2, 9534520), (4, 4767260), (5, 3813808), (8, 2383630), (10, 1906904), (16, 1191815), (20, 953452), (40, 476726), (80, 238363)]