18225804978

素因数分解:

$2^1\times 3^4\times {\mathrm{6971}}^1\times {\mathrm{16139}}^1$

素因数の和:23124

約数の個数: 40

約数和(自身を含む): 40847693040

約数和(自身を除く): 22621888062

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 6971, 13942, 16139, 20913, 32278, 41826, 48417, 62739, 96834, 125478, 145251, 188217, 290502, 376434, 435753, 564651, 871506, 1129302, 1307259, 2614518, 112504969, 225009938, 337514907, 675029814, 1012544721, 2025089442, 3037634163, 6075268326, 9112902489, 18225804978]

約数ペア:

[(1, 18225804978), (2, 9112902489), (3, 6075268326), (6, 3037634163), (9, 2025089442), (18, 1012544721), (27, 675029814), (54, 337514907), (81, 225009938), (162, 112504969), (6971, 2614518), (13942, 1307259), (16139, 1129302), (20913, 871506), (32278, 564651), (41826, 435753), (48417, 376434), (62739, 290502), (96834, 188217), (125478, 145251)]