18983188

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4211}}^1$

素因数の和:4252

約数の個数: 36

約数和(自身を含む): 40334112

約数和(自身を除く): 21350924

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4211, 4508, 8422, 16844, 29477, 58954, 96853, 117908, 193706, 206339, 387412, 412678, 677971, 825356, 1355942, 2711884, 4745797, 9491594, 18983188]

約数ペア:

[(1, 18983188), (2, 9491594), (4, 4745797), (7, 2711884), (14, 1355942), (23, 825356), (28, 677971), (46, 412678), (49, 387412), (92, 206339), (98, 193706), (161, 117908), (196, 96853), (322, 58954), (644, 29477), (1127, 16844), (2254, 8422), (4211, 4508)]