19963131520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1\times {\mathrm{2287}}^1$

素因数の和:2922

約数の個数: 128

約数和(自身を含む): 49905123840

約数和(自身を除く): 29941992320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 593, 640, 736, 920, 1186, 1472, 1840, 2287, 2372, 2944, 2965, 3680, 4574, 4744, 5930, 7360, 9148, 9488, 11435, 11860, 13639, 14720, 18296, 18976, 22870, 23720, 27278, 36592, 37952, 45740, 47440, 52601, 54556, 68195, 73184, 75904, 91480, 94880, 105202, 109112, 136390, 146368, 182960, 189760, 210404, 218224, 263005, 272780, 292736, 365920, 379520, 420808, 436448, 526010, 545560, 731840, 841616, 872896, 1052020, 1091120, 1356191, 1463680, 1683232, 1745792, 2104040, 2182240, 2712382, 3366464, 4208080, 4364480, 5424764, 6732928, 6780955, 8416160, 8728960, 10849528, 13561910, 16832320, 21699056, 27123820, 31192393, 33664640, 43398112, 54247640, 62384786, 86796224, 108495280, 124769572, 155961965, 173592448, 216990560, 249539144, 311923930, 433981120, 499078288, 623847860, 867962240, 998156576, 1247695720, 1996313152, 2495391440, 3992626304, 4990782880, 9981565760, 19963131520]

約数ペア:

[(1, 19963131520), (2, 9981565760), (4, 4990782880), (5, 3992626304), (8, 2495391440), (10, 1996313152), (16, 1247695720), (20, 998156576), (23, 867962240), (32, 623847860), (40, 499078288), (46, 433981120), (64, 311923930), (80, 249539144), (92, 216990560), (115, 173592448), (128, 155961965), (160, 124769572), (184, 108495280), (230, 86796224), (320, 62384786), (368, 54247640), (460, 43398112), (593, 33664640), (640, 31192393), (736, 27123820), (920, 21699056), (1186, 16832320), (1472, 13561910), (1840, 10849528), (2287, 8728960), (2372, 8416160), (2944, 6780955), (2965, 6732928), (3680, 5424764), (4574, 4364480), (4744, 4208080), (5930, 3366464), (7360, 2712382), (9148, 2182240), (9488, 2104040), (11435, 1745792), (11860, 1683232), (13639, 1463680), (14720, 1356191), (18296, 1091120), (18976, 1052020), (22870, 872896), (23720, 841616), (27278, 731840), (36592, 545560), (37952, 526010), (45740, 436448), (47440, 420808), (52601, 379520), (54556, 365920), (68195, 292736), (73184, 272780), (75904, 263005), (91480, 218224), (94880, 210404), (105202, 189760), (109112, 182960), (136390, 146368)]