2019920144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{977}}^1$

素因数の和:1704

約数の個数: 80

約数和(自身を含む): 4531692096

約数和(自身を除く): 2511771952

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 691, 748, 977, 1382, 1496, 1954, 2764, 2992, 3908, 5528, 7601, 7816, 10747, 11056, 11747, 15202, 15632, 16609, 21494, 23494, 30404, 33218, 42988, 46988, 60808, 66436, 85976, 93976, 121616, 129217, 132872, 171952, 182699, 187952, 258434, 265744, 365398, 516868, 675107, 730796, 1033736, 1350214, 1461592, 2067472, 2700428, 2923184, 5400856, 7426177, 10801712, 11476819, 14852354, 22953638, 29704708, 45907276, 59409416, 91814552, 118818832, 126245009, 183629104, 252490018, 504980036, 1009960072, 2019920144]

約数ペア:

[(1, 2019920144), (2, 1009960072), (4, 504980036), (8, 252490018), (11, 183629104), (16, 126245009), (17, 118818832), (22, 91814552), (34, 59409416), (44, 45907276), (68, 29704708), (88, 22953638), (136, 14852354), (176, 11476819), (187, 10801712), (272, 7426177), (374, 5400856), (691, 2923184), (748, 2700428), (977, 2067472), (1382, 1461592), (1496, 1350214), (1954, 1033736), (2764, 730796), (2992, 675107), (3908, 516868), (5528, 365398), (7601, 265744), (7816, 258434), (10747, 187952), (11056, 182699), (11747, 171952), (15202, 132872), (15632, 129217), (16609, 121616), (21494, 93976), (23494, 85976), (30404, 66436), (33218, 60808), (42988, 46988)]