18700858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9551}}^1$

素因数の和:9653

約数の個数: 16

約数和(自身を含む): 30948480

約数和(自身を除く): 12247622

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9551, 19102, 105061, 210122, 850039, 1700078, 9350429, 18700858]

約数ペア:

[(1, 18700858), (2, 9350429), (11, 1700078), (22, 850039), (89, 210122), (178, 105061), (979, 19102), (1958, 9551)]