18995751

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{51479}}^1$

素因数の和:51526

約数の個数: 12

約数和(自身を含む): 28108080

約数和(自身を除く): 9112329

約数列:

[1, 3, 9, 41, 123, 369, 51479, 154437, 463311, 2110639, 6331917, 18995751]

約数ペア:

[(1, 18995751), (3, 6331917), (9, 2110639), (41, 463311), (123, 154437), (369, 51479)]