18853989

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81619}}^1$

素因数の和:81640

約数の個数: 16

約数和(自身を含む): 31342080

約数和(自身を除く): 12488091

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81619, 244857, 571333, 897809, 1713999, 2693427, 6284663, 18853989]

約数ペア:

[(1, 18853989), (3, 6284663), (7, 2693427), (11, 1713999), (21, 897809), (33, 571333), (77, 244857), (231, 81619)]