19849660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23081}}^1$

素因数の和:23133

約数の個数: 24

約数和(自身を含む): 42655536

約数和(自身を除く): 22805876

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23081, 46162, 92324, 115405, 230810, 461620, 992483, 1984966, 3969932, 4962415, 9924830, 19849660]

約数ペア:

[(1, 19849660), (2, 9924830), (4, 4962415), (5, 3969932), (10, 1984966), (20, 992483), (43, 461620), (86, 230810), (172, 115405), (215, 92324), (430, 46162), (860, 23081)]