19936587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 10144437

約数列:

[1, 3, 11, 33, 67, 71, 127, 201, 213, 381, 737, 781, 1397, 2211, 2343, 4191, 4757, 8509, 9017, 14271, 25527, 27051, 52327, 93599, 99187, 156981, 280797, 297561, 604139, 1812417, 6645529, 19936587]

約数ペア:

[(1, 19936587), (3, 6645529), (11, 1812417), (33, 604139), (67, 297561), (71, 280797), (127, 156981), (201, 99187), (213, 93599), (381, 52327), (737, 27051), (781, 25527), (1397, 14271), (2211, 9017), (2343, 8509), (4191, 4757)]