18792333

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1054

約数の個数: 36

約数和(自身を含む): 32343168

約数和(自身を除く): 13550835

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 991, 2107, 2709, 2973, 6321, 6937, 8919, 18963, 20811, 42613, 48559, 62433, 127839, 145677, 298291, 383517, 437031, 894873, 2088037, 2684619, 6264111, 18792333]

約数ペア:

[(1, 18792333), (3, 6264111), (7, 2684619), (9, 2088037), (21, 894873), (43, 437031), (49, 383517), (63, 298291), (129, 145677), (147, 127839), (301, 62433), (387, 48559), (441, 42613), (903, 20811), (991, 18963), (2107, 8919), (2709, 6937), (2973, 6321)]