20918687184

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2548573}}^1$

素因数の和:2548609

約数の個数: 80

約数和(自身を含む): 63204635200

約数和(自身を除く): 42285948016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 2548573, 5097146, 7645719, 10194292, 15291438, 20388584, 22937157, 30582876, 40777168, 45874314, 48422887, 61165752, 68811471, 91748628, 96845774, 122331504, 137622942, 145268661, 183497256, 193691548, 275245884, 290537322, 366994512, 387383096, 435805983, 550491768, 581074644, 774766192, 871611966, 1100983536, 1162149288, 1307417949, 1743223932, 2324298576, 2614835898, 3486447864, 5229671796, 6972895728, 10459343592, 20918687184]

約数ペア:

[(1, 20918687184), (2, 10459343592), (3, 6972895728), (4, 5229671796), (6, 3486447864), (8, 2614835898), (9, 2324298576), (12, 1743223932), (16, 1307417949), (18, 1162149288), (19, 1100983536), (24, 871611966), (27, 774766192), (36, 581074644), (38, 550491768), (48, 435805983), (54, 387383096), (57, 366994512), (72, 290537322), (76, 275245884), (108, 193691548), (114, 183497256), (144, 145268661), (152, 137622942), (171, 122331504), (216, 96845774), (228, 91748628), (304, 68811471), (342, 61165752), (432, 48422887), (456, 45874314), (513, 40777168), (684, 30582876), (912, 22937157), (1026, 20388584), (1368, 15291438), (2052, 10194292), (2736, 7645719), (4104, 5097146), (8208, 2548573)]