18809768

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 37100160

約数和(自身を除く): 18290392

約数列:

[1, 2, 4, 8, 23, 46, 92, 151, 184, 302, 604, 677, 1208, 1354, 2708, 3473, 5416, 6946, 13892, 15571, 27784, 31142, 62284, 102227, 124568, 204454, 408908, 817816, 2351221, 4702442, 9404884, 18809768]

約数ペア:

[(1, 18809768), (2, 9404884), (4, 4702442), (8, 2351221), (23, 817816), (46, 408908), (92, 204454), (151, 124568), (184, 102227), (302, 62284), (604, 31142), (677, 27784), (1208, 15571), (1354, 13892), (2708, 6946), (3473, 5416)]