19016091

素因数分解:

$3^2\times {\mathrm{127}}^2\times {\mathrm{131}}^1$

素因数の和:391

約数の個数: 18

約数和(自身を含む): 27897012

約数和(自身を除く): 8880921

約数列:

[1, 3, 9, 127, 131, 381, 393, 1143, 1179, 16129, 16637, 48387, 49911, 145161, 149733, 2112899, 6338697, 19016091]

約数ペア:

[(1, 19016091), (3, 6338697), (9, 2112899), (127, 149733), (131, 145161), (381, 49911), (393, 48387), (1143, 16637), (1179, 16129)]