1900989872

素因数分解:

$2^4\times {\mathrm{1069}}^1\times {\mathrm{111143}}^1$

素因数の和:112220

約数の個数: 20

約数和(自身を含む): 3686646480

約数和(自身を除く): 1785656608

約数列:

[1, 2, 4, 8, 16, 1069, 2138, 4276, 8552, 17104, 111143, 222286, 444572, 889144, 1778288, 118811867, 237623734, 475247468, 950494936, 1900989872]

約数ペア:

[(1, 1900989872), (2, 950494936), (4, 475247468), (8, 237623734), (16, 118811867), (1069, 1778288), (2138, 889144), (4276, 444572), (8552, 222286), (17104, 111143)]