18894303

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12277}}^1$

素因数の和:12308

約数の個数: 20

約数和(自身を含む): 29712760

約数和(自身を除く): 10818457

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12277, 36831, 110493, 233263, 331479, 699789, 994437, 2099367, 6298101, 18894303]

約数ペア:

[(1, 18894303), (3, 6298101), (9, 2099367), (19, 994437), (27, 699789), (57, 331479), (81, 233263), (171, 110493), (513, 36831), (1539, 12277)]