18940292

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12763}}^1$

素因数の和:12827

約数の個数: 24

約数和(自身を含む): 38598336

約数和(自身を除く): 19658044

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12763, 25526, 51052, 89341, 178682, 357364, 676439, 1352878, 2705756, 4735073, 9470146, 18940292]

約数ペア:

[(1, 18940292), (2, 9470146), (4, 4735073), (7, 2705756), (14, 1352878), (28, 676439), (53, 357364), (106, 178682), (212, 89341), (371, 51052), (742, 25526), (1484, 12763)]