19535217

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 28776384

約数和(自身を除く): 9241167

約数列:

[1, 3, 13, 39, 53, 159, 169, 507, 689, 727, 2067, 2181, 8957, 9451, 26871, 28353, 38531, 115593, 122863, 368589, 500903, 1502709, 6511739, 19535217]

約数ペア:

[(1, 19535217), (3, 6511739), (13, 1502709), (39, 500903), (53, 368589), (159, 122863), (169, 115593), (507, 38531), (689, 28353), (727, 26871), (2067, 9451), (2181, 8957)]