18768274

素因数分解:

$2^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 14495726

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 251, 343, 502, 686, 763, 1526, 1757, 3514, 5341, 10682, 12299, 24598, 27359, 37387, 54718, 74774, 86093, 172186, 191513, 383026, 1340591, 2681182, 9384137, 18768274]

約数ペア:

[(1, 18768274), (2, 9384137), (7, 2681182), (14, 1340591), (49, 383026), (98, 191513), (109, 172186), (218, 86093), (251, 74774), (343, 54718), (502, 37387), (686, 27359), (763, 24598), (1526, 12299), (1757, 10682), (3514, 5341)]