18542739

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 6858861

約数列:

[1, 3, 53, 139, 159, 417, 839, 2517, 7367, 22101, 44467, 116621, 133401, 349863, 6180913, 18542739]

約数ペア:

[(1, 18542739), (3, 6180913), (53, 349863), (139, 133401), (159, 116621), (417, 44467), (839, 22101), (2517, 7367)]