19397280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 53759328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 251, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 502, 552, 560, 644, 672, 690, 736, 753, 805, 840, 920, 966, 1004, 1104, 1120, 1255, 1288, 1380, 1506, 1610, 1680, 1757, 1840, 1932, 2008, 2208, 2415, 2510, 2576, 2760, 3012, 3220, 3360, 3514, 3680, 3765, 3864, 4016, 4830, 5020, 5152, 5271, 5520, 5773, 6024, 6440, 7028, 7530, 7728, 8032, 8785, 9660, 10040, 10542, 11040, 11546, 12048, 12880, 14056, 15060, 15456, 17319, 17570, 19320, 20080, 21084, 23092, 24096, 25760, 26355, 28112, 28865, 30120, 34638, 35140, 38640, 40160, 40411, 42168, 46184, 52710, 56224, 57730, 60240, 69276, 70280, 77280, 80822, 84336, 86595, 92368, 105420, 115460, 120480, 121233, 138552, 140560, 161644, 168672, 173190, 184736, 202055, 210840, 230920, 242466, 277104, 281120, 323288, 346380, 404110, 421680, 461840, 484932, 554208, 606165, 646576, 692760, 808220, 843360, 923680, 969864, 1212330, 1293152, 1385520, 1616440, 1939728, 2424660, 2771040, 3232880, 3879456, 4849320, 6465760, 9698640, 19397280]

約数ペア:

[(1, 19397280), (2, 9698640), (3, 6465760), (4, 4849320), (5, 3879456), (6, 3232880), (7, 2771040), (8, 2424660), (10, 1939728), (12, 1616440), (14, 1385520), (15, 1293152), (16, 1212330), (20, 969864), (21, 923680), (23, 843360), (24, 808220), (28, 692760), (30, 646576), (32, 606165), (35, 554208), (40, 484932), (42, 461840), (46, 421680), (48, 404110), (56, 346380), (60, 323288), (69, 281120), (70, 277104), (80, 242466), (84, 230920), (92, 210840), (96, 202055), (105, 184736), (112, 173190), (115, 168672), (120, 161644), (138, 140560), (140, 138552), (160, 121233), (161, 120480), (168, 115460), (184, 105420), (210, 92368), (224, 86595), (230, 84336), (240, 80822), (251, 77280), (276, 70280), (280, 69276), (322, 60240), (336, 57730), (345, 56224), (368, 52710), (420, 46184), (460, 42168), (480, 40411), (483, 40160), (502, 38640), (552, 35140), (560, 34638), (644, 30120), (672, 28865), (690, 28112), (736, 26355), (753, 25760), (805, 24096), (840, 23092), (920, 21084), (966, 20080), (1004, 19320), (1104, 17570), (1120, 17319), (1255, 15456), (1288, 15060), (1380, 14056), (1506, 12880), (1610, 12048), (1680, 11546), (1757, 11040), (1840, 10542), (1932, 10040), (2008, 9660), (2208, 8785), (2415, 8032), (2510, 7728), (2576, 7530), (2760, 7028), (3012, 6440), (3220, 6024), (3360, 5773), (3514, 5520), (3680, 5271), (3765, 5152), (3864, 5020), (4016, 4830)]