18660873

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80783}}^1$

素因数の和:80804

約数の個数: 16

約数和(自身を含む): 31021056

約数和(自身を除く): 12360183

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80783, 242349, 565481, 888613, 1696443, 2665839, 6220291, 18660873]

約数ペア:

[(1, 18660873), (3, 6220291), (7, 2665839), (11, 1696443), (21, 888613), (33, 565481), (77, 242349), (231, 80783)]