18388664645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{117241}}^1$

素因数の和:117405

約数の個数: 32

約数和(自身を含む): 25211719680

約数和(自身を除く): 6823055035

約数列:

[1, 5, 13, 19, 65, 95, 127, 247, 635, 1235, 1651, 2413, 8255, 12065, 31369, 117241, 156845, 586205, 1524133, 2227579, 7620665, 11137895, 14889607, 28958527, 74448035, 144792635, 193564891, 282902533, 967824455, 1414512665, 3677732929, 18388664645]

約数ペア:

[(1, 18388664645), (5, 3677732929), (13, 1414512665), (19, 967824455), (65, 282902533), (95, 193564891), (127, 144792635), (247, 74448035), (635, 28958527), (1235, 14889607), (1651, 11137895), (2413, 7620665), (8255, 2227579), (12065, 1524133), (31369, 586205), (117241, 156845)]