19673721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 30230720

約数和(自身を除く): 10556999

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1117, 1957, 3351, 5871, 10053, 17613, 21223, 63669, 115051, 191007, 345153, 1035459, 2185969, 6557907, 19673721]

約数ペア:

[(1, 19673721), (3, 6557907), (9, 2185969), (19, 1035459), (57, 345153), (103, 191007), (171, 115051), (309, 63669), (927, 21223), (1117, 17613), (1957, 10053), (3351, 5871)]