2019940216

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{259499}}^1$

素因数の和:259651

約数の個数: 32

約数和(自身を含む): 4359600000

約数和(自身を除く): 2339659784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 259499, 518998, 1037996, 1816493, 2075992, 3632986, 7265972, 14531944, 36070361, 72140722, 144281444, 252492527, 288562888, 504985054, 1009970108, 2019940216]

約数ペア:

[(1, 2019940216), (2, 1009970108), (4, 504985054), (7, 288562888), (8, 252492527), (14, 144281444), (28, 72140722), (56, 36070361), (139, 14531944), (278, 7265972), (556, 3632986), (973, 2075992), (1112, 1816493), (1946, 1037996), (3892, 518998), (7784, 259499)]