18509997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1171}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 27002880

約数和(自身を除く): 8492883

約数列:

[1, 3, 11, 33, 479, 1171, 1437, 3513, 5269, 12881, 15807, 38643, 560909, 1682727, 6169999, 18509997]

約数ペア:

[(1, 18509997), (3, 6169999), (11, 1682727), (33, 560909), (479, 38643), (1171, 15807), (1437, 12881), (3513, 5269)]