19793280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 69437520

約数和(自身を除く): 49644240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 61, 64, 65, 78, 80, 96, 104, 120, 122, 128, 130, 156, 160, 169, 183, 192, 195, 208, 240, 244, 260, 305, 312, 320, 338, 366, 384, 390, 416, 480, 488, 507, 520, 610, 624, 640, 676, 732, 780, 793, 832, 845, 915, 960, 976, 1014, 1040, 1220, 1248, 1352, 1464, 1560, 1586, 1664, 1690, 1830, 1920, 1952, 2028, 2080, 2379, 2440, 2496, 2535, 2704, 2928, 3120, 3172, 3380, 3660, 3904, 3965, 4056, 4160, 4758, 4880, 4992, 5070, 5408, 5856, 6240, 6344, 6760, 7320, 7808, 7930, 8112, 8320, 9516, 9760, 10140, 10309, 10816, 11712, 11895, 12480, 12688, 13520, 14640, 15860, 16224, 19032, 19520, 20280, 20618, 21632, 23424, 23790, 24960, 25376, 27040, 29280, 30927, 31720, 32448, 38064, 39040, 40560, 41236, 47580, 50752, 51545, 54080, 58560, 61854, 63440, 64896, 76128, 81120, 82472, 95160, 101504, 103090, 108160, 117120, 123708, 126880, 152256, 154635, 162240, 164944, 190320, 206180, 247416, 253760, 304512, 309270, 324480, 329888, 380640, 412360, 494832, 507520, 618540, 659776, 761280, 824720, 989664, 1237080, 1319552, 1522560, 1649440, 1979328, 2474160, 3298880, 3958656, 4948320, 6597760, 9896640, 19793280]

約数ペア:

[(1, 19793280), (2, 9896640), (3, 6597760), (4, 4948320), (5, 3958656), (6, 3298880), (8, 2474160), (10, 1979328), (12, 1649440), (13, 1522560), (15, 1319552), (16, 1237080), (20, 989664), (24, 824720), (26, 761280), (30, 659776), (32, 618540), (39, 507520), (40, 494832), (48, 412360), (52, 380640), (60, 329888), (61, 324480), (64, 309270), (65, 304512), (78, 253760), (80, 247416), (96, 206180), (104, 190320), (120, 164944), (122, 162240), (128, 154635), (130, 152256), (156, 126880), (160, 123708), (169, 117120), (183, 108160), (192, 103090), (195, 101504), (208, 95160), (240, 82472), (244, 81120), (260, 76128), (305, 64896), (312, 63440), (320, 61854), (338, 58560), (366, 54080), (384, 51545), (390, 50752), (416, 47580), (480, 41236), (488, 40560), (507, 39040), (520, 38064), (610, 32448), (624, 31720), (640, 30927), (676, 29280), (732, 27040), (780, 25376), (793, 24960), (832, 23790), (845, 23424), (915, 21632), (960, 20618), (976, 20280), (1014, 19520), (1040, 19032), (1220, 16224), (1248, 15860), (1352, 14640), (1464, 13520), (1560, 12688), (1586, 12480), (1664, 11895), (1690, 11712), (1830, 10816), (1920, 10309), (1952, 10140), (2028, 9760), (2080, 9516), (2379, 8320), (2440, 8112), (2496, 7930), (2535, 7808), (2704, 7320), (2928, 6760), (3120, 6344), (3172, 6240), (3380, 5856), (3660, 5408), (3904, 5070), (3965, 4992), (4056, 4880), (4160, 4758)]