19712043

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 30816240

約数和(自身を除く): 11104197

約数列:

[1, 3, 9, 13, 39, 117, 331, 509, 993, 1527, 2979, 4303, 4581, 6617, 12909, 19851, 38727, 59553, 168479, 505437, 1516311, 2190227, 6570681, 19712043]

約数ペア:

[(1, 19712043), (3, 6570681), (9, 2190227), (13, 1516311), (39, 505437), (117, 168479), (331, 59553), (509, 38727), (993, 19851), (1527, 12909), (2979, 6617), (4303, 4581)]