2019988767

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 2836520640

約数和(自身を除く): 816531873

約数列:

[1, 3, 37, 73, 89, 111, 219, 267, 2701, 2801, 3293, 6497, 8103, 8403, 9879, 19491, 103637, 204473, 240389, 249289, 310911, 613419, 721167, 747867, 7565501, 9223693, 18198097, 22696503, 27671079, 54594291, 673329589, 2019988767]

約数ペア:

[(1, 2019988767), (3, 673329589), (37, 54594291), (73, 27671079), (89, 22696503), (111, 18198097), (219, 9223693), (267, 7565501), (2701, 747867), (2801, 721167), (3293, 613419), (6497, 310911), (8103, 249289), (8403, 240389), (9879, 204473), (19491, 103637)]