18764661

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2492

約数の個数: 16

約数和(自身を含む): 26068608

約数和(自身を除く): 7303947

約数列:

[1, 3, 37, 71, 111, 213, 2381, 2627, 7143, 7881, 88097, 169051, 264291, 507153, 6254887, 18764661]

約数ペア:

[(1, 18764661), (3, 6254887), (37, 507153), (71, 264291), (111, 169051), (213, 88097), (2381, 7881), (2627, 7143)]