18405255681

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{70518221}}^1$

素因数の和:70518256

約数の個数: 12

約数和(自身を含む): 27502106580

約数和(自身を除く): 9096850899

約数列:

[1, 3, 9, 29, 87, 261, 70518221, 211554663, 634663989, 2045028409, 6135085227, 18405255681]

約数ペア:

[(1, 18405255681), (3, 6135085227), (9, 2045028409), (29, 634663989), (87, 211554663), (261, 70518221)]