18619227

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20897}}^1$

素因数の和:20920

約数の個数: 20

約数和(自身を含む): 30343896

約数和(自身を除く): 11724669

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20897, 62691, 188073, 229867, 564219, 689601, 1692657, 2068803, 6206409, 18619227]

約数ペア:

[(1, 18619227), (3, 6206409), (9, 2068803), (11, 1692657), (27, 689601), (33, 564219), (81, 229867), (99, 188073), (297, 62691), (891, 20897)]