19471239

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 11632761

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 719, 1003, 1593, 2157, 3009, 6471, 9027, 12223, 19413, 27081, 36669, 42421, 110007, 127263, 330021, 381789, 721157, 1145367, 2163471, 6490413, 19471239]

約数ペア:

[(1, 19471239), (3, 6490413), (9, 2163471), (17, 1145367), (27, 721157), (51, 381789), (59, 330021), (153, 127263), (177, 110007), (459, 42421), (531, 36669), (719, 27081), (1003, 19413), (1593, 12223), (2157, 9027), (3009, 6471)]