18839457

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23003}}^1$

素因数の和:23029

約数の個数: 24

約数和(自身を含む): 33493824

約数和(自身を除く): 14654367

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23003, 69009, 161021, 207027, 299039, 483063, 897117, 1449189, 2093273, 2691351, 6279819, 18839457]

約数ペア:

[(1, 18839457), (3, 6279819), (7, 2691351), (9, 2093273), (13, 1449189), (21, 897117), (39, 483063), (63, 299039), (91, 207027), (117, 161021), (273, 69009), (819, 23003)]