19906851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9439}}^1$

素因数の和:9498

約数の個数: 16

約数和(自身を含む): 28697600

約数和(自身を除く): 8790749

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9439, 28317, 179341, 349243, 538023, 1047729, 6635617, 19906851]

約数ペア:

[(1, 19906851), (3, 6635617), (19, 1047729), (37, 538023), (57, 349243), (111, 179341), (703, 28317), (2109, 9439)]