18391109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 20921280

約数和(自身を除く): 2530171

約数列:

[1, 11, 37, 73, 407, 619, 803, 2701, 6809, 22903, 29711, 45187, 251933, 497057, 1671919, 18391109]

約数ペア:

[(1, 18391109), (11, 1671919), (37, 497057), (73, 251933), (407, 45187), (619, 29711), (803, 22903), (2701, 6809)]