18540181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 21795840

約数和(自身を除く): 3255659

約数列:

[1, 11, 19, 43, 209, 473, 817, 2063, 8987, 22693, 39197, 88709, 431167, 975799, 1685471, 18540181]

約数ペア:

[(1, 18540181), (11, 1685471), (19, 975799), (43, 431167), (209, 88709), (473, 39197), (817, 22693), (2063, 8987)]