18406227

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2143}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 28129280

約数和(自身を除く): 9723053

約数列:

[1, 3, 7, 21, 409, 1227, 2143, 2863, 6429, 8589, 15001, 45003, 876487, 2629461, 6135409, 18406227]

約数ペア:

[(1, 18406227), (3, 6135409), (7, 2629461), (21, 876487), (409, 45003), (1227, 15001), (2143, 8589), (2863, 6429)]