18260559

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3821}}^1$

素因数の和:3892

約数の個数: 20

約数和(自身を含む): 27747720

約数和(自身を除く): 9487161

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3821, 4779, 11463, 34389, 103167, 225439, 309501, 676317, 2028951, 6086853, 18260559]

約数ペア:

[(1, 18260559), (3, 6086853), (9, 2028951), (27, 676317), (59, 309501), (81, 225439), (177, 103167), (531, 34389), (1593, 11463), (3821, 4779)]