18745166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7817}}^1$

素因数の和:7939

約数の個数: 16

約数和(自身を含む): 30959280

約数和(自身を除く): 12214114

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 7817, 15634, 85987, 171974, 852053, 1704106, 9372583, 18745166]

約数ペア:

[(1, 18745166), (2, 9372583), (11, 1704106), (22, 852053), (109, 171974), (218, 85987), (1199, 15634), (2398, 7817)]