11818779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 19019520

約数和(自身を除く): 7200741

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1559, 2527, 4677, 7581, 10913, 29621, 32739, 88863, 207347, 562799, 622041, 1688397, 3939593, 11818779]

約数ペア:

[(1, 11818779), (3, 3939593), (7, 1688397), (19, 622041), (21, 562799), (57, 207347), (133, 88863), (361, 32739), (399, 29621), (1083, 10913), (1559, 7581), (2527, 4677)]