18427280

素因数分解:

$2^4\times 5^1\times {\mathrm{230341}}^1$

素因数の和:230354

約数の個数: 20

約数和(自身を含む): 42843612

約数和(自身を除く): 24416332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230341, 460682, 921364, 1151705, 1842728, 2303410, 3685456, 4606820, 9213640, 18427280]

約数ペア:

[(1, 18427280), (2, 9213640), (4, 4606820), (5, 3685456), (8, 2303410), (10, 1842728), (16, 1151705), (20, 921364), (40, 460682), (80, 230341)]