20189403639

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{54713831}}^1$

素因数の和:54713878

約数の個数: 12

約数和(自身を含む): 29873752272

約数和(自身を除く): 9684348633

約数列:

[1, 3, 9, 41, 123, 369, 54713831, 164141493, 492424479, 2243267071, 6729801213, 20189403639]

約数ペア:

[(1, 20189403639), (3, 6729801213), (9, 2243267071), (41, 492424479), (123, 164141493), (369, 54713831)]