18980493553384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{7949}}^1\times {\mathrm{279731}}^1$

素因数の和:287794

約数の個数: 64

約数和(自身を含む): 39229056216000

約数和(自身を除く): 20248562662616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 4268, 7949, 8536, 15898, 31796, 63592, 87439, 174878, 279731, 349756, 559462, 699512, 771053, 1118924, 1542106, 2237848, 3077041, 3084212, 6154082, 6168424, 8481583, 12308164, 16963166, 24616328, 27133907, 33926332, 54267814, 67852664, 108535628, 217071256, 298472977, 596945954, 1193891908, 2223581719, 2387783816, 4447163438, 8894326876, 17788653752, 24459398909, 48918797818, 97837595636, 195675191272, 215687426743, 431374853486, 862749706972, 1725499413944, 2372561694173, 4745123388346, 9490246776692, 18980493553384]

約数ペア:

[(1, 18980493553384), (2, 9490246776692), (4, 4745123388346), (8, 2372561694173), (11, 1725499413944), (22, 862749706972), (44, 431374853486), (88, 215687426743), (97, 195675191272), (194, 97837595636), (388, 48918797818), (776, 24459398909), (1067, 17788653752), (2134, 8894326876), (4268, 4447163438), (7949, 2387783816), (8536, 2223581719), (15898, 1193891908), (31796, 596945954), (63592, 298472977), (87439, 217071256), (174878, 108535628), (279731, 67852664), (349756, 54267814), (559462, 33926332), (699512, 27133907), (771053, 24616328), (1118924, 16963166), (1542106, 12308164), (2237848, 8481583), (3077041, 6168424), (3084212, 6154082)]