18663393

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1361}}^1$

素因数の和:2024

約数の個数: 16

約数和(自身を含む): 28503936

約数和(自身を除く): 9840543

約数列:

[1, 3, 7, 21, 653, 1361, 1959, 4083, 4571, 9527, 13713, 28581, 888733, 2666199, 6221131, 18663393]

約数ペア:

[(1, 18663393), (3, 6221131), (7, 2666199), (21, 888733), (653, 28581), (1361, 13713), (1959, 9527), (4083, 4571)]