18550384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 38192000

約数和(自身を除く): 19641616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 439, 556, 878, 1112, 1756, 2224, 2641, 3512, 5282, 7024, 8341, 10564, 16682, 21128, 33364, 42256, 61021, 66728, 122042, 133456, 244084, 488168, 976336, 1159399, 2318798, 4637596, 9275192, 18550384]

約数ペア:

[(1, 18550384), (2, 9275192), (4, 4637596), (8, 2318798), (16, 1159399), (19, 976336), (38, 488168), (76, 244084), (139, 133456), (152, 122042), (278, 66728), (304, 61021), (439, 42256), (556, 33364), (878, 21128), (1112, 16682), (1756, 10564), (2224, 8341), (2641, 7024), (3512, 5282)]