18963840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 74027520

約数和(自身を除く): 55063680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 83, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 166, 168, 170, 192, 204, 210, 224, 238, 240, 249, 255, 272, 280, 320, 332, 336, 340, 357, 384, 408, 415, 420, 448, 476, 480, 498, 510, 544, 560, 581, 595, 640, 664, 672, 680, 714, 816, 830, 840, 896, 952, 960, 996, 1020, 1088, 1120, 1162, 1190, 1245, 1328, 1344, 1360, 1411, 1428, 1632, 1660, 1680, 1743, 1785, 1904, 1920, 1992, 2040, 2176, 2240, 2324, 2380, 2490, 2656, 2688, 2720, 2822, 2856, 2905, 3264, 3320, 3360, 3486, 3570, 3808, 3984, 4080, 4233, 4480, 4648, 4760, 4980, 5312, 5440, 5644, 5712, 5810, 6528, 6640, 6720, 6972, 7055, 7140, 7616, 7968, 8160, 8466, 8715, 9296, 9520, 9877, 9960, 10624, 10880, 11288, 11424, 11620, 13280, 13440, 13944, 14110, 14280, 15232, 15936, 16320, 16932, 17430, 18592, 19040, 19754, 19920, 21165, 22576, 22848, 23240, 26560, 27888, 28220, 28560, 29631, 31872, 32640, 33864, 34860, 37184, 38080, 39508, 39840, 42330, 45152, 45696, 46480, 49385, 53120, 55776, 56440, 57120, 59262, 67728, 69720, 74368, 76160, 79016, 79680, 84660, 90304, 92960, 98770, 111552, 112880, 114240, 118524, 135456, 139440, 148155, 158032, 159360, 169320, 180608, 185920, 197540, 223104, 225760, 228480, 237048, 270912, 278880, 296310, 316064, 338640, 371840, 395080, 451520, 474096, 541824, 557760, 592620, 632128, 677280, 790160, 903040, 948192, 1115520, 1185240, 1264256, 1354560, 1580320, 1896384, 2370480, 2709120, 3160640, 3792768, 4740960, 6321280, 9481920, 18963840]

約数ペア:

[(1, 18963840), (2, 9481920), (3, 6321280), (4, 4740960), (5, 3792768), (6, 3160640), (7, 2709120), (8, 2370480), (10, 1896384), (12, 1580320), (14, 1354560), (15, 1264256), (16, 1185240), (17, 1115520), (20, 948192), (21, 903040), (24, 790160), (28, 677280), (30, 632128), (32, 592620), (34, 557760), (35, 541824), (40, 474096), (42, 451520), (48, 395080), (51, 371840), (56, 338640), (60, 316064), (64, 296310), (68, 278880), (70, 270912), (80, 237048), (83, 228480), (84, 225760), (85, 223104), (96, 197540), (102, 185920), (105, 180608), (112, 169320), (119, 159360), (120, 158032), (128, 148155), (136, 139440), (140, 135456), (160, 118524), (166, 114240), (168, 112880), (170, 111552), (192, 98770), (204, 92960), (210, 90304), (224, 84660), (238, 79680), (240, 79016), (249, 76160), (255, 74368), (272, 69720), (280, 67728), (320, 59262), (332, 57120), (336, 56440), (340, 55776), (357, 53120), (384, 49385), (408, 46480), (415, 45696), (420, 45152), (448, 42330), (476, 39840), (480, 39508), (498, 38080), (510, 37184), (544, 34860), (560, 33864), (581, 32640), (595, 31872), (640, 29631), (664, 28560), (672, 28220), (680, 27888), (714, 26560), (816, 23240), (830, 22848), (840, 22576), (896, 21165), (952, 19920), (960, 19754), (996, 19040), (1020, 18592), (1088, 17430), (1120, 16932), (1162, 16320), (1190, 15936), (1245, 15232), (1328, 14280), (1344, 14110), (1360, 13944), (1411, 13440), (1428, 13280), (1632, 11620), (1660, 11424), (1680, 11288), (1743, 10880), (1785, 10624), (1904, 9960), (1920, 9877), (1992, 9520), (2040, 9296), (2176, 8715), (2240, 8466), (2324, 8160), (2380, 7968), (2490, 7616), (2656, 7140), (2688, 7055), (2720, 6972), (2822, 6720), (2856, 6640), (2905, 6528), (3264, 5810), (3320, 5712), (3360, 5644), (3486, 5440), (3570, 5312), (3808, 4980), (3984, 4760), (4080, 4648), (4233, 4480)]