19978909184

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9293}}^1$

素因数の和:9360

約数の個数: 160

約数和(自身を含む): 47919120480

約数和(自身を除く): 27940211296

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 128, 136, 152, 208, 221, 247, 256, 272, 304, 323, 416, 442, 494, 512, 544, 608, 646, 832, 884, 988, 1088, 1216, 1292, 1664, 1768, 1976, 2176, 2432, 2584, 3328, 3536, 3952, 4199, 4352, 4864, 5168, 6656, 7072, 7904, 8398, 8704, 9293, 9728, 10336, 14144, 15808, 16796, 18586, 20672, 28288, 31616, 33592, 37172, 41344, 56576, 63232, 67184, 74344, 82688, 113152, 120809, 126464, 134368, 148688, 157981, 165376, 176567, 241618, 268736, 297376, 315962, 353134, 483236, 537472, 594752, 631924, 706268, 966472, 1074944, 1189504, 1263848, 1412536, 1932944, 2053753, 2149888, 2295371, 2379008, 2527696, 2825072, 3001639, 3865888, 4107506, 4590742, 4758016, 5055392, 5650144, 6003278, 7731776, 8215012, 9181484, 10110784, 11300288, 12006556, 15463552, 16430024, 18362968, 20221568, 22600576, 24013112, 30927104, 32860048, 36725936, 39021307, 40443136, 45201152, 48026224, 61854208, 65720096, 73451872, 78042614, 80886272, 90402304, 96052448, 131440192, 146903744, 156085228, 192104896, 262880384, 293807488, 312170456, 384209792, 525760768, 587614976, 624340912, 768419584, 1051521536, 1175229952, 1248681824, 1536839168, 2497363648, 4994727296, 9989454592, 19978909184]

約数ペア:

[(1, 19978909184), (2, 9989454592), (4, 4994727296), (8, 2497363648), (13, 1536839168), (16, 1248681824), (17, 1175229952), (19, 1051521536), (26, 768419584), (32, 624340912), (34, 587614976), (38, 525760768), (52, 384209792), (64, 312170456), (68, 293807488), (76, 262880384), (104, 192104896), (128, 156085228), (136, 146903744), (152, 131440192), (208, 96052448), (221, 90402304), (247, 80886272), (256, 78042614), (272, 73451872), (304, 65720096), (323, 61854208), (416, 48026224), (442, 45201152), (494, 40443136), (512, 39021307), (544, 36725936), (608, 32860048), (646, 30927104), (832, 24013112), (884, 22600576), (988, 20221568), (1088, 18362968), (1216, 16430024), (1292, 15463552), (1664, 12006556), (1768, 11300288), (1976, 10110784), (2176, 9181484), (2432, 8215012), (2584, 7731776), (3328, 6003278), (3536, 5650144), (3952, 5055392), (4199, 4758016), (4352, 4590742), (4864, 4107506), (5168, 3865888), (6656, 3001639), (7072, 2825072), (7904, 2527696), (8398, 2379008), (8704, 2295371), (9293, 2149888), (9728, 2053753), (10336, 1932944), (14144, 1412536), (15808, 1263848), (16796, 1189504), (18586, 1074944), (20672, 966472), (28288, 706268), (31616, 631924), (33592, 594752), (37172, 537472), (41344, 483236), (56576, 353134), (63232, 315962), (67184, 297376), (74344, 268736), (82688, 241618), (113152, 176567), (120809, 165376), (126464, 157981), (134368, 148688)]