18378889220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39954107}}^1$

素因数の和:39954139

約数の個数: 24

約数和(自身を含む): 40273740864

約数和(自身を除く): 21894851644

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39954107, 79908214, 159816428, 199770535, 399541070, 799082140, 918944461, 1837888922, 3675777844, 4594722305, 9189444610, 18378889220]

約数ペア:

[(1, 18378889220), (2, 9189444610), (4, 4594722305), (5, 3675777844), (10, 1837888922), (20, 918944461), (23, 799082140), (46, 399541070), (92, 199770535), (115, 159816428), (230, 79908214), (460, 39954107)]