18212181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3677}}^1$

素因数の和:3820

約数の個数: 16

約数和(自身を含む): 26363904

約数和(自身を除く): 8151723

約数列:

[1, 3, 13, 39, 127, 381, 1651, 3677, 4953, 11031, 47801, 143403, 466979, 1400937, 6070727, 18212181]

約数ペア:

[(1, 18212181), (3, 6070727), (13, 1400937), (39, 466979), (127, 143403), (381, 47801), (1651, 11031), (3677, 4953)]