19949211

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5669}}^1$

素因数の和:5715

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 11893509

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5669, 17007, 51021, 96373, 130387, 289119, 391161, 867357, 1173483, 2216579, 6649737, 19949211]

約数ペア:

[(1, 19949211), (3, 6649737), (9, 2216579), (17, 1173483), (23, 867357), (51, 391161), (69, 289119), (153, 130387), (207, 96373), (391, 51021), (1173, 17007), (3519, 5669)]