18432380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21433}}^1$

素因数の和:21485

約数の個数: 24

約数和(自身を含む): 39610032

約数和(自身を除く): 21177652

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 21433, 42866, 85732, 107165, 214330, 428660, 921619, 1843238, 3686476, 4608095, 9216190, 18432380]

約数ペア:

[(1, 18432380), (2, 9216190), (4, 4608095), (5, 3686476), (10, 1843238), (20, 921619), (43, 428660), (86, 214330), (172, 107165), (215, 85732), (430, 42866), (860, 21433)]