18208588321

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{1181}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 23241335040

約数和(自身を除く): 5032746719

約数列:

[1, 7, 11, 77, 109, 121, 167, 763, 847, 1169, 1181, 1199, 1837, 8267, 8393, 12859, 12991, 13189, 18203, 20207, 90937, 92323, 127421, 128729, 141449, 142901, 197227, 200233, 901103, 1000307, 1380589, 1401631, 1416019, 2169497, 2202563, 9912133, 15186479, 15417941, 15576209, 21497743, 23864467, 109033463, 150484201, 167051269, 236475173, 1655326211, 2601226903, 18208588321]

約数ペア:

[(1, 18208588321), (7, 2601226903), (11, 1655326211), (77, 236475173), (109, 167051269), (121, 150484201), (167, 109033463), (763, 23864467), (847, 21497743), (1169, 15576209), (1181, 15417941), (1199, 15186479), (1837, 9912133), (8267, 2202563), (8393, 2169497), (12859, 1416019), (12991, 1401631), (13189, 1380589), (18203, 1000307), (20207, 901103), (90937, 200233), (92323, 197227), (127421, 142901), (128729, 141449)]