18784238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37123}}^1$

素因数の和:37159

約数の個数: 16

約数和(自身を含む): 32075136

約数和(自身を除く): 13290898

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37123, 74246, 408353, 816706, 853829, 1707658, 9392119, 18784238]

約数ペア:

[(1, 18784238), (2, 9392119), (11, 1707658), (22, 853829), (23, 816706), (46, 408353), (253, 74246), (506, 37123)]