18508743

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20773}}^1$

素因数の和:20796

約数の個数: 20

約数和(自身を含む): 30163848

約数和(自身を除く): 11655105

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20773, 62319, 186957, 228503, 560871, 685509, 1682613, 2056527, 6169581, 18508743]

約数ペア:

[(1, 18508743), (3, 6169581), (9, 2056527), (11, 1682613), (27, 685509), (33, 560871), (81, 228503), (99, 186957), (297, 62319), (891, 20773)]