18390856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2029}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 38001600

約数和(自身を除く): 19610744

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2029, 2266, 4058, 4532, 8116, 9064, 16232, 22319, 44638, 89276, 178552, 208987, 417974, 835948, 1671896, 2298857, 4597714, 9195428, 18390856]

約数ペア:

[(1, 18390856), (2, 9195428), (4, 4597714), (8, 2298857), (11, 1671896), (22, 835948), (44, 417974), (88, 208987), (103, 178552), (206, 89276), (412, 44638), (824, 22319), (1133, 16232), (2029, 9064), (2266, 8116), (4058, 4532)]