18983041

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 24706080

約数和(自身を除く): 5723039

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 859, 2009, 3157, 6013, 9449, 22099, 35219, 42091, 66143, 246533, 387409, 463001, 1725731, 2711863, 18983041]

約数ペア:

[(1, 18983041), (7, 2711863), (11, 1725731), (41, 463001), (49, 387409), (77, 246533), (287, 66143), (451, 42091), (539, 35219), (859, 22099), (2009, 9449), (3157, 6013)]