20190109895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1\times {\mathrm{1999}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 25671168000

約数和(自身を除く): 5481058105

約数列:

[1, 5, 23, 71, 115, 355, 1237, 1633, 1999, 6185, 8165, 9995, 28451, 45977, 87827, 141929, 142255, 229885, 439135, 709645, 2020021, 2472763, 3264367, 10100105, 12363815, 16321835, 56873549, 175566173, 284367745, 877830865, 4038021979, 20190109895]

約数ペア:

[(1, 20190109895), (5, 4038021979), (23, 877830865), (71, 284367745), (115, 175566173), (355, 56873549), (1237, 16321835), (1633, 12363815), (1999, 10100105), (6185, 3264367), (8165, 2472763), (9995, 2020021), (28451, 709645), (45977, 439135), (87827, 229885), (141929, 142255)]