18987110534

素因数分解:

$2^1\times 7^1\times {\mathrm{2437}}^1\times {\mathrm{556513}}^1$

素因数の和:558959

約数の個数: 16

約数和(自身を含む): 32562747168

約数和(自身を除く): 13575636634

約数列:

[1, 2, 7, 14, 2437, 4874, 17059, 34118, 556513, 1113026, 3895591, 7791182, 1356222181, 2712444362, 9493555267, 18987110534]

約数ペア:

[(1, 18987110534), (2, 9493555267), (7, 2712444362), (14, 1356222181), (2437, 7791182), (4874, 3895591), (17059, 1113026), (34118, 556513)]