19935441

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4493}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 31547880

約数和(自身を除く): 11612439

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4493, 13479, 40437, 76381, 130297, 229143, 390891, 687429, 1172673, 2215049, 6645147, 19935441]

約数ペア:

[(1, 19935441), (3, 6645147), (9, 2215049), (17, 1172673), (29, 687429), (51, 390891), (87, 229143), (153, 130297), (261, 76381), (493, 40437), (1479, 13479), (4437, 4493)]