18037173

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 30292992

約数和(自身を除く): 12255819

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 691, 791, 1243, 2073, 2373, 3729, 4837, 7601, 8701, 14511, 22803, 26103, 53207, 78083, 159621, 234249, 546581, 858913, 1639743, 2576739, 6012391, 18037173]

約数ペア:

[(1, 18037173), (3, 6012391), (7, 2576739), (11, 1639743), (21, 858913), (33, 546581), (77, 234249), (113, 159621), (231, 78083), (339, 53207), (691, 26103), (791, 22803), (1243, 14511), (2073, 8701), (2373, 7601), (3729, 4837)]