19005772233

素因数分解:

$3^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{455479}}^1$

素因数の和:457476

約数の個数: 16

約数和(自身を含む): 28975815680

約数和(自身を除く): 9970043447

約数列:

[1, 3, 7, 21, 1987, 5961, 13909, 41727, 455479, 1366437, 3188353, 9565059, 905036773, 2715110319, 6335257411, 19005772233]

約数ペア:

[(1, 19005772233), (3, 6335257411), (7, 2715110319), (21, 905036773), (1987, 9565059), (5961, 3188353), (13909, 1366437), (41727, 455479)]