22017789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 33664800

約数和(自身を除く): 11647011

約数列:

[1, 3, 9, 19, 57, 171, 331, 389, 993, 1167, 2979, 3501, 6289, 7391, 18867, 22173, 56601, 66519, 128759, 386277, 1158831, 2446421, 7339263, 22017789]

約数ペア:

[(1, 22017789), (3, 7339263), (9, 2446421), (19, 1158831), (57, 386277), (171, 128759), (331, 66519), (389, 56601), (993, 22173), (1167, 18867), (2979, 7391), (3501, 6289)]