18397478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{13709}}^1$

素因数の和:13783

約数の個数: 16

約数和(自身を含む): 30600720

約数和(自身を除く): 12203242

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 13709, 27418, 150799, 301598, 836249, 1672498, 9198739, 18397478]

約数ペア:

[(1, 18397478), (2, 9198739), (11, 1672498), (22, 836249), (61, 301598), (122, 150799), (671, 27418), (1342, 13709)]