18121959

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 27251952

約数和(自身を除く): 9129993

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 733, 2199, 2747, 6597, 8241, 24723, 30053, 49111, 90159, 147333, 270477, 441999, 2013551, 6040653, 18121959]

約数ペア:

[(1, 18121959), (3, 6040653), (9, 2013551), (41, 441999), (67, 270477), (123, 147333), (201, 90159), (369, 49111), (603, 30053), (733, 24723), (2199, 8241), (2747, 6597)]