18188859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9923}}^1$

素因数の和:9986

約数の個数: 16

約数和(自身を含む): 26675712

約数和(自身を除く): 8486853

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 9923, 29769, 128999, 386997, 466381, 1399143, 6062953, 18188859]

約数ペア:

[(1, 18188859), (3, 6062953), (13, 1399143), (39, 466381), (47, 386997), (141, 128999), (611, 29769), (1833, 9923)]