19405143

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 30942720

約数和(自身を除く): 11537577

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 459, 603, 631, 1139, 1809, 1893, 3417, 5679, 10251, 10727, 17037, 30753, 32181, 42277, 96543, 126831, 289629, 380493, 718709, 1141479, 2156127, 6468381, 19405143]

約数ペア:

[(1, 19405143), (3, 6468381), (9, 2156127), (17, 1141479), (27, 718709), (51, 380493), (67, 289629), (153, 126831), (201, 96543), (459, 42277), (603, 32181), (631, 30753), (1139, 17037), (1809, 10727), (1893, 10251), (3417, 5679)]