2018921193

素因数分解:

$3^4\times {\mathrm{827}}^1\times {\mathrm{30139}}^1$

素因数の和:30978

約数の個数: 20

約数和(自身を含む): 3019666320

約数和(自身を除く): 1000745127

約数列:

[1, 3, 9, 27, 81, 827, 2481, 7443, 22329, 30139, 66987, 90417, 271251, 813753, 2441259, 24924953, 74774859, 224324577, 672973731, 2018921193]

約数ペア:

[(1, 2018921193), (3, 672973731), (9, 224324577), (27, 74774859), (81, 24924953), (827, 2441259), (2481, 813753), (7443, 271251), (22329, 90417), (30139, 66987)]