18474880

素因数分解:

$2^7\times 5^1\times {\mathrm{28867}}^1$

素因数の和:28886

約数の個数: 32

約数和(自身を含む): 44168040

約数和(自身を除く): 25693160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28867, 57734, 115468, 144335, 230936, 288670, 461872, 577340, 923744, 1154680, 1847488, 2309360, 3694976, 4618720, 9237440, 18474880]

約数ペア:

[(1, 18474880), (2, 9237440), (4, 4618720), (5, 3694976), (8, 2309360), (10, 1847488), (16, 1154680), (20, 923744), (32, 577340), (40, 461872), (64, 288670), (80, 230936), (128, 144335), (160, 115468), (320, 57734), (640, 28867)]