2019118970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{6653}}^1$

素因数の和:6791

約数の個数: 64

約数和(自身を含む): 4139320320

約数和(自身を除く): 2120201350

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 89, 110, 155, 178, 310, 341, 445, 682, 890, 979, 1705, 1958, 2759, 3410, 4895, 5518, 6653, 9790, 13306, 13795, 27590, 30349, 33265, 60698, 66530, 73183, 146366, 151745, 206243, 303490, 365915, 412486, 592117, 731830, 1031215, 1184234, 2062430, 2268673, 2960585, 4537346, 5921170, 6513287, 11343365, 13026574, 18355627, 22686730, 32566435, 36711254, 65132870, 91778135, 183556270, 201911897, 403823794, 1009559485, 2019118970]

約数ペア:

[(1, 2019118970), (2, 1009559485), (5, 403823794), (10, 201911897), (11, 183556270), (22, 91778135), (31, 65132870), (55, 36711254), (62, 32566435), (89, 22686730), (110, 18355627), (155, 13026574), (178, 11343365), (310, 6513287), (341, 5921170), (445, 4537346), (682, 2960585), (890, 2268673), (979, 2062430), (1705, 1184234), (1958, 1031215), (2759, 731830), (3410, 592117), (4895, 412486), (5518, 365915), (6653, 303490), (9790, 206243), (13306, 151745), (13795, 146366), (27590, 73183), (30349, 66530), (33265, 60698)]