18785187

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 29231280

約数和(自身を除く): 10446093

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2081, 3009, 6243, 9027, 18729, 35377, 106131, 122779, 318393, 368337, 1105011, 2087243, 6261729, 18785187]

約数ペア:

[(1, 18785187), (3, 6261729), (9, 2087243), (17, 1105011), (51, 368337), (59, 318393), (153, 122779), (177, 106131), (531, 35377), (1003, 18729), (2081, 9027), (3009, 6243)]