18729854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1592

約数の個数: 32

約数和(自身を含む): 33796224

約数和(自身を除く): 15066370

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1523, 3046, 6149, 12298, 16753, 19799, 33506, 39598, 65489, 130978, 217789, 435578, 720379, 851357, 1440758, 1702714, 9364927, 18729854]

約数ペア:

[(1, 18729854), (2, 9364927), (11, 1702714), (13, 1440758), (22, 851357), (26, 720379), (43, 435578), (86, 217789), (143, 130978), (286, 65489), (473, 39598), (559, 33506), (946, 19799), (1118, 16753), (1523, 12298), (3046, 6149)]