18819856

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{9721}}^1$

素因数の和:9751

約数の個数: 30

約数和(自身を含む): 40083806

約数和(自身を除く): 21263950

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 9721, 19442, 38884, 77768, 106931, 155536, 213862, 427724, 855448, 1176241, 1710896, 2352482, 4704964, 9409928, 18819856]

約数ペア:

[(1, 18819856), (2, 9409928), (4, 4704964), (8, 2352482), (11, 1710896), (16, 1176241), (22, 855448), (44, 427724), (88, 213862), (121, 155536), (176, 106931), (242, 77768), (484, 38884), (968, 19442), (1936, 9721)]