18871170017

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2\times {\mathrm{12437}}^1$

素因数の和:12629

約数の個数: 24

約数和(自身を含む): 22385613888

約数和(自身を除く): 3514443871

約数列:

[1, 7, 43, 71, 301, 497, 3053, 5041, 12437, 21371, 35287, 87059, 216763, 534791, 883027, 1517341, 3743537, 6181189, 37970161, 62694917, 265791127, 438864419, 2695881431, 18871170017]

約数ペア:

[(1, 18871170017), (7, 2695881431), (43, 438864419), (71, 265791127), (301, 62694917), (497, 37970161), (3053, 6181189), (5041, 3743537), (12437, 1517341), (21371, 883027), (35287, 534791), (87059, 216763)]