18333981

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{55057}}^1$

素因数の和:55100

約数の個数: 12

約数和(自身を含む): 27198652

約数和(自身を除く): 8864671

約数列:

[1, 3, 9, 37, 111, 333, 55057, 165171, 495513, 2037109, 6111327, 18333981]

約数ペア:

[(1, 18333981), (3, 6111327), (9, 2037109), (37, 495513), (111, 165171), (333, 55057)]