18000855

素因数分解:

$3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1187}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 31320432

約数和(自身を除く): 13319577

約数列:

[1, 3, 5, 9, 15, 45, 337, 1011, 1187, 1685, 3033, 3561, 5055, 5935, 10683, 15165, 17805, 53415, 400019, 1200057, 2000095, 3600171, 6000285, 18000855]

約数ペア:

[(1, 18000855), (3, 6000285), (5, 3600171), (9, 2000095), (15, 1200057), (45, 400019), (337, 53415), (1011, 17805), (1187, 15165), (1685, 10683), (3033, 5935), (3561, 5055)]