18860468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7027}}^1$

素因数の和:7103

約数の個数: 24

約数和(自身を含む): 36601824

約数和(自身を除く): 17741356

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7027, 14054, 28108, 77297, 154594, 309188, 428647, 857294, 1714588, 4715117, 9430234, 18860468]

約数ペア:

[(1, 18860468), (2, 9430234), (4, 4715117), (11, 1714588), (22, 857294), (44, 428647), (61, 309188), (122, 154594), (244, 77297), (671, 28108), (1342, 14054), (2684, 7027)]