18986367064

素因数分解:

$2^3\times 7^1\times {\mathrm{339042269}}^1$

素因数の和:339042282

約数の個数: 16

約数和(自身を含む): 40685072400

約数和(自身を除く): 21698705336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 339042269, 678084538, 1356169076, 2373295883, 2712338152, 4746591766, 9493183532, 18986367064]

約数ペア:

[(1, 18986367064), (2, 9493183532), (4, 4746591766), (7, 2712338152), (8, 2373295883), (14, 1356169076), (28, 678084538), (56, 339042269)]