19728684

素因数分解:

$2^2\times 3^5\times {\mathrm{20297}}^1$

素因数の和:20316

約数の個数: 36

約数和(自身を含む): 51719304

約数和(自身を除く): 31990620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20297, 40594, 60891, 81188, 121782, 182673, 243564, 365346, 548019, 730692, 1096038, 1644057, 2192076, 3288114, 4932171, 6576228, 9864342, 19728684]

約数ペア:

[(1, 19728684), (2, 9864342), (3, 6576228), (4, 4932171), (6, 3288114), (9, 2192076), (12, 1644057), (18, 1096038), (27, 730692), (36, 548019), (54, 365346), (81, 243564), (108, 182673), (162, 121782), (243, 81188), (324, 60891), (486, 40594), (972, 20297)]