20181384

素因数分解:

$2^3\times 3^2\times {\mathrm{280297}}^1$

素因数の和:280309

約数の個数: 24

約数和(自身を含む): 54658110

約数和(自身を除く): 34476726

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280297, 560594, 840891, 1121188, 1681782, 2242376, 2522673, 3363564, 5045346, 6727128, 10090692, 20181384]

約数ペア:

[(1, 20181384), (2, 10090692), (3, 6727128), (4, 5045346), (6, 3363564), (8, 2522673), (9, 2242376), (12, 1681782), (18, 1121188), (24, 840891), (36, 560594), (72, 280297)]