19039349

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 24295680

約数和(自身を除く): 5256331

約数列:

[1, 7, 19, 37, 53, 73, 133, 259, 371, 511, 703, 1007, 1387, 1961, 2701, 3869, 4921, 7049, 9709, 13727, 18907, 27083, 37259, 51319, 73511, 143153, 260813, 359233, 514577, 1002071, 2719907, 19039349]

約数ペア:

[(1, 19039349), (7, 2719907), (19, 1002071), (37, 514577), (53, 359233), (73, 260813), (133, 143153), (259, 73511), (371, 51319), (511, 37259), (703, 27083), (1007, 18907), (1387, 13727), (1961, 9709), (2701, 7049), (3869, 4921)]