2018990853

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 3477551616

約数和(自身を除く): 1458560763

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 83, 99, 207, 249, 253, 297, 621, 747, 759, 891, 913, 1187, 1863, 1909, 2241, 2277, 2739, 3561, 5727, 6723, 6831, 8217, 10683, 13057, 17181, 20493, 20999, 24651, 27301, 32049, 39171, 51543, 62997, 73953, 81903, 96147, 98521, 117513, 154629, 188991, 245709, 295563, 300311, 352539, 566973, 737127, 886689, 900933, 1057617, 1083731, 1700919, 2211381, 2265983, 2660067, 2702799, 3251193, 6797949, 7980201, 8108397, 9753579, 20393847, 24325191, 24925813, 29260737, 61181541, 74777439, 87782211, 183544623, 224332317, 672996951, 2018990853]

約数ペア:

[(1, 2018990853), (3, 672996951), (9, 224332317), (11, 183544623), (23, 87782211), (27, 74777439), (33, 61181541), (69, 29260737), (81, 24925813), (83, 24325191), (99, 20393847), (207, 9753579), (249, 8108397), (253, 7980201), (297, 6797949), (621, 3251193), (747, 2702799), (759, 2660067), (891, 2265983), (913, 2211381), (1187, 1700919), (1863, 1083731), (1909, 1057617), (2241, 900933), (2277, 886689), (2739, 737127), (3561, 566973), (5727, 352539), (6723, 300311), (6831, 295563), (8217, 245709), (10683, 188991), (13057, 154629), (17181, 117513), (20493, 98521), (20999, 96147), (24651, 81903), (27301, 73953), (32049, 62997), (39171, 51543)]