18206584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 37416240

約数和(自身を除く): 19209656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 313, 626, 661, 1252, 1322, 2504, 2644, 3443, 5288, 6886, 7271, 13772, 14542, 27544, 29084, 58168, 206893, 413786, 827572, 1655144, 2275823, 4551646, 9103292, 18206584]

約数ペア:

[(1, 18206584), (2, 9103292), (4, 4551646), (8, 2275823), (11, 1655144), (22, 827572), (44, 413786), (88, 206893), (313, 58168), (626, 29084), (661, 27544), (1252, 14542), (1322, 13772), (2504, 7271), (2644, 6886), (3443, 5288)]