18023481

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 30168320

約数和(自身を除く): 12144839

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 3919, 4599, 11757, 27433, 35271, 82299, 246897, 286087, 858261, 2002609, 2574783, 6007827, 18023481]

約数ペア:

[(1, 18023481), (3, 6007827), (7, 2574783), (9, 2002609), (21, 858261), (63, 286087), (73, 246897), (219, 82299), (511, 35271), (657, 27433), (1533, 11757), (3919, 4599)]