2019404387

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 2848849920

約数和(自身を除く): 829445533

約数列:

[1, 7, 11, 13, 31, 59, 77, 91, 143, 217, 341, 403, 413, 649, 767, 1001, 1103, 1829, 2387, 2821, 4433, 4543, 5369, 7721, 8437, 12133, 12803, 14339, 20119, 23777, 31031, 34193, 59059, 65077, 84931, 100373, 140833, 157729, 166439, 239351, 261547, 376123, 444509, 455539, 715847, 846001, 1104103, 1830829, 2017387, 2632861, 3111563, 4889599, 5010929, 5922007, 9306011, 14121709, 22191257, 26226031, 34227193, 65142077, 155338799, 183582217, 288486341, 2019404387]

約数ペア:

[(1, 2019404387), (7, 288486341), (11, 183582217), (13, 155338799), (31, 65142077), (59, 34227193), (77, 26226031), (91, 22191257), (143, 14121709), (217, 9306011), (341, 5922007), (403, 5010929), (413, 4889599), (649, 3111563), (767, 2632861), (1001, 2017387), (1103, 1830829), (1829, 1104103), (2387, 846001), (2821, 715847), (4433, 455539), (4543, 444509), (5369, 376123), (7721, 261547), (8437, 239351), (12133, 166439), (12803, 157729), (14339, 140833), (20119, 100373), (23777, 84931), (31031, 65077), (34193, 59059)]