2019138896

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1777411}}^1$

素因数の和:1777490

約数の個数: 20

約数和(自身を含む): 3967183584

約数和(自身を除く): 1948044688

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1777411, 3554822, 7109644, 14219288, 28438576, 126196181, 252392362, 504784724, 1009569448, 2019138896]

約数ペア:

[(1, 2019138896), (2, 1009569448), (4, 504784724), (8, 252392362), (16, 126196181), (71, 28438576), (142, 14219288), (284, 7109644), (568, 3554822), (1136, 1777411)]