19127907

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 12235293

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 261, 459, 479, 493, 783, 1377, 1437, 1479, 2349, 4311, 4437, 8143, 12933, 13311, 13891, 24429, 38799, 39933, 41673, 73287, 125019, 219861, 236147, 375057, 659583, 708441, 1125171, 2125323, 6375969, 19127907]

約数ペア:

[(1, 19127907), (3, 6375969), (9, 2125323), (17, 1125171), (27, 708441), (29, 659583), (51, 375057), (81, 236147), (87, 219861), (153, 125019), (261, 73287), (459, 41673), (479, 39933), (493, 38799), (783, 24429), (1377, 13891), (1437, 13311), (1479, 12933), (2349, 8143), (4311, 4437)]