2019988624

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1778159}}^1$

素因数の和:1778238

約数の個数: 20

約数和(自身を含む): 3968853120

約数和(自身を除く): 1948864496

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1778159, 3556318, 7112636, 14225272, 28450544, 126249289, 252498578, 504997156, 1009994312, 2019988624]

約数ペア:

[(1, 2019988624), (2, 1009994312), (4, 504997156), (8, 252498578), (16, 126249289), (71, 28450544), (142, 14225272), (284, 7112636), (568, 3556318), (1136, 1778159)]