18441440

素因数分解:

$2^5\times 5^1\times {\mathrm{115259}}^1$

素因数の和:115274

約数の個数: 24

約数和(自身を含む): 43568280

約数和(自身を除く): 25126840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115259, 230518, 461036, 576295, 922072, 1152590, 1844144, 2305180, 3688288, 4610360, 9220720, 18441440]

約数ペア:

[(1, 18441440), (2, 9220720), (4, 4610360), (5, 3688288), (8, 2305180), (10, 1844144), (16, 1152590), (20, 922072), (32, 576295), (40, 461036), (80, 230518), (160, 115259)]