19383840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:672

約数の個数: 192

約数和(自身を含む): 77656320

約数和(自身を除く): 58272480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 641, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1282, 1440, 1512, 1680, 1890, 1923, 2016, 2160, 2520, 2564, 3024, 3205, 3360, 3780, 3846, 4320, 4487, 5040, 5128, 5769, 6048, 6410, 7560, 7692, 8974, 9615, 10080, 10256, 11538, 12820, 13461, 15120, 15384, 17307, 17948, 19230, 20512, 22435, 23076, 25640, 26922, 28845, 30240, 30768, 34614, 35896, 38460, 40383, 44870, 46152, 51280, 53844, 57690, 61536, 67305, 69228, 71792, 76920, 80766, 86535, 89740, 92304, 102560, 107688, 115380, 121149, 134610, 138456, 143584, 153840, 161532, 173070, 179480, 184608, 201915, 215376, 230760, 242298, 269220, 276912, 307680, 323064, 346140, 358960, 403830, 430752, 461520, 484596, 538440, 553824, 605745, 646128, 692280, 717920, 807660, 923040, 969192, 1076880, 1211490, 1292256, 1384560, 1615320, 1938384, 2153760, 2422980, 2769120, 3230640, 3876768, 4845960, 6461280, 9691920, 19383840]

約数ペア:

[(1, 19383840), (2, 9691920), (3, 6461280), (4, 4845960), (5, 3876768), (6, 3230640), (7, 2769120), (8, 2422980), (9, 2153760), (10, 1938384), (12, 1615320), (14, 1384560), (15, 1292256), (16, 1211490), (18, 1076880), (20, 969192), (21, 923040), (24, 807660), (27, 717920), (28, 692280), (30, 646128), (32, 605745), (35, 553824), (36, 538440), (40, 484596), (42, 461520), (45, 430752), (48, 403830), (54, 358960), (56, 346140), (60, 323064), (63, 307680), (70, 276912), (72, 269220), (80, 242298), (84, 230760), (90, 215376), (96, 201915), (105, 184608), (108, 179480), (112, 173070), (120, 161532), (126, 153840), (135, 143584), (140, 138456), (144, 134610), (160, 121149), (168, 115380), (180, 107688), (189, 102560), (210, 92304), (216, 89740), (224, 86535), (240, 80766), (252, 76920), (270, 71792), (280, 69228), (288, 67305), (315, 61536), (336, 57690), (360, 53844), (378, 51280), (420, 46152), (432, 44870), (480, 40383), (504, 38460), (540, 35896), (560, 34614), (630, 30768), (641, 30240), (672, 28845), (720, 26922), (756, 25640), (840, 23076), (864, 22435), (945, 20512), (1008, 19230), (1080, 17948), (1120, 17307), (1260, 15384), (1282, 15120), (1440, 13461), (1512, 12820), (1680, 11538), (1890, 10256), (1923, 10080), (2016, 9615), (2160, 8974), (2520, 7692), (2564, 7560), (3024, 6410), (3205, 6048), (3360, 5769), (3780, 5128), (3846, 5040), (4320, 4487)]