18880407

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23053}}^1$

素因数の和:23079

約数の個数: 24

約数和(自身を含む): 33566624

約数和(自身を除く): 14686217

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23053, 69159, 161371, 207477, 299689, 484113, 899067, 1452339, 2097823, 2697201, 6293469, 18880407]

約数ペア:

[(1, 18880407), (3, 6293469), (7, 2697201), (9, 2097823), (13, 1452339), (21, 899067), (39, 484113), (63, 299689), (91, 207477), (117, 161371), (273, 69159), (819, 23053)]