18740788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4391}}^1$

素因数の和:4503

約数の個数: 24

約数和(自身を含む): 36154944

約数和(自身を除く): 17414156

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4391, 8782, 17564, 48301, 96602, 193204, 425927, 851854, 1703708, 4685197, 9370394, 18740788]

約数ペア:

[(1, 18740788), (2, 9370394), (4, 4685197), (11, 1703708), (22, 851854), (44, 425927), (97, 193204), (194, 96602), (388, 48301), (1067, 17564), (2134, 8782), (4268, 4391)]