1999861796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1\times {\mathrm{691}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 3732980160

約数和(自身を除く): 1733118364

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 337, 452, 674, 691, 1348, 1382, 2147, 2764, 4294, 6403, 8588, 12806, 13129, 25612, 26258, 38081, 52516, 76162, 78083, 152324, 156166, 232867, 312332, 465734, 723539, 931468, 1447078, 1483577, 2894156, 2967154, 4424473, 5934308, 8848946, 17697892, 26313971, 52627942, 105255884, 499965449, 999930898, 1999861796]

約数ペア:

[(1, 1999861796), (2, 999930898), (4, 499965449), (19, 105255884), (38, 52627942), (76, 26313971), (113, 17697892), (226, 8848946), (337, 5934308), (452, 4424473), (674, 2967154), (691, 2894156), (1348, 1483577), (1382, 1447078), (2147, 931468), (2764, 723539), (4294, 465734), (6403, 312332), (8588, 232867), (12806, 156166), (13129, 152324), (25612, 78083), (26258, 76162), (38081, 52516)]