18109195775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{82007}}^1$

素因数の和:82112

約数の個数: 36

約数和(自身を含む): 25020804816

約数和(自身を除く): 6911609041

約数列:

[1, 5, 11, 25, 55, 73, 121, 275, 365, 605, 803, 1825, 3025, 4015, 8833, 20075, 44165, 82007, 220825, 410035, 902077, 2050175, 4510385, 5986511, 9922847, 22551925, 29932555, 49614235, 65851621, 149662775, 248071175, 329258105, 724367831, 1646290525, 3621839155, 18109195775]

約数ペア:

[(1, 18109195775), (5, 3621839155), (11, 1646290525), (25, 724367831), (55, 329258105), (73, 248071175), (121, 149662775), (275, 65851621), (365, 49614235), (605, 29932555), (803, 22551925), (1825, 9922847), (3025, 5986511), (4015, 4510385), (8833, 2050175), (20075, 902077), (44165, 410035), (82007, 220825)]