19557120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 68285952

約数和(自身を除く): 48728832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 463, 480, 528, 640, 660, 704, 768, 880, 926, 960, 1056, 1280, 1320, 1389, 1408, 1760, 1852, 1920, 2112, 2315, 2640, 2778, 2816, 3520, 3704, 3840, 4224, 4630, 5093, 5280, 5556, 6945, 7040, 7408, 8448, 9260, 10186, 10560, 11112, 13890, 14080, 14816, 15279, 18520, 20372, 21120, 22224, 25465, 27780, 29632, 30558, 37040, 40744, 42240, 44448, 50930, 55560, 59264, 61116, 74080, 76395, 81488, 88896, 101860, 111120, 118528, 122232, 148160, 152790, 162976, 177792, 203720, 222240, 244464, 296320, 305580, 325952, 355584, 407440, 444480, 488928, 592640, 611160, 651904, 814880, 888960, 977856, 1222320, 1303808, 1629760, 1777920, 1955712, 2444640, 3259520, 3911424, 4889280, 6519040, 9778560, 19557120]

約数ペア:

[(1, 19557120), (2, 9778560), (3, 6519040), (4, 4889280), (5, 3911424), (6, 3259520), (8, 2444640), (10, 1955712), (11, 1777920), (12, 1629760), (15, 1303808), (16, 1222320), (20, 977856), (22, 888960), (24, 814880), (30, 651904), (32, 611160), (33, 592640), (40, 488928), (44, 444480), (48, 407440), (55, 355584), (60, 325952), (64, 305580), (66, 296320), (80, 244464), (88, 222240), (96, 203720), (110, 177792), (120, 162976), (128, 152790), (132, 148160), (160, 122232), (165, 118528), (176, 111120), (192, 101860), (220, 88896), (240, 81488), (256, 76395), (264, 74080), (320, 61116), (330, 59264), (352, 55560), (384, 50930), (440, 44448), (463, 42240), (480, 40744), (528, 37040), (640, 30558), (660, 29632), (704, 27780), (768, 25465), (880, 22224), (926, 21120), (960, 20372), (1056, 18520), (1280, 15279), (1320, 14816), (1389, 14080), (1408, 13890), (1760, 11112), (1852, 10560), (1920, 10186), (2112, 9260), (2315, 8448), (2640, 7408), (2778, 7040), (2816, 6945), (3520, 5556), (3704, 5280), (3840, 5093), (4224, 4630)]