18937421568

素因数分解:

$2^8\times 3^5\times {\mathrm{13}}^1\times {\mathrm{23417}}^1$

素因数の和:23461

約数の個数: 216

約数和(自身を含む): 60981783408

約数和(自身を除く): 42044361840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 243, 256, 288, 312, 324, 351, 384, 416, 432, 468, 486, 576, 624, 648, 702, 768, 832, 864, 936, 972, 1053, 1152, 1248, 1296, 1404, 1664, 1728, 1872, 1944, 2106, 2304, 2496, 2592, 2808, 3159, 3328, 3456, 3744, 3888, 4212, 4992, 5184, 5616, 6318, 6912, 7488, 7776, 8424, 9984, 10368, 11232, 12636, 14976, 15552, 16848, 20736, 22464, 23417, 25272, 29952, 31104, 33696, 44928, 46834, 50544, 62208, 67392, 70251, 89856, 93668, 101088, 134784, 140502, 187336, 202176, 210753, 269568, 281004, 304421, 374672, 404352, 421506, 562008, 608842, 632259, 749344, 808704, 843012, 913263, 1124016, 1217684, 1264518, 1498688, 1686024, 1826526, 1896777, 2248032, 2435368, 2529036, 2739789, 2997376, 3372048, 3653052, 3793554, 4496064, 4870736, 5058072, 5479578, 5690331, 5994752, 6744096, 7306104, 7587108, 8219367, 8992128, 9741472, 10116144, 10959156, 11380662, 13488192, 14612208, 15174216, 16438734, 17984256, 19482944, 20232288, 21918312, 22761324, 24658101, 26976384, 29224416, 30348432, 32877468, 38965888, 40464576, 43836624, 45522648, 49316202, 53952768, 58448832, 60696864, 65754936, 73974303, 77931776, 80929152, 87673248, 91045296, 98632404, 116897664, 121393728, 131509872, 147948606, 161858304, 175346496, 182090592, 197264808, 233795328, 242787456, 263019744, 295897212, 350692992, 364181184, 394529616, 485574912, 526039488, 591794424, 701385984, 728362368, 789059232, 1052078976, 1183588848, 1456724736, 1578118464, 2104157952, 2367177696, 3156236928, 4734355392, 6312473856, 9468710784, 18937421568]

約数ペア:

[(1, 18937421568), (2, 9468710784), (3, 6312473856), (4, 4734355392), (6, 3156236928), (8, 2367177696), (9, 2104157952), (12, 1578118464), (13, 1456724736), (16, 1183588848), (18, 1052078976), (24, 789059232), (26, 728362368), (27, 701385984), (32, 591794424), (36, 526039488), (39, 485574912), (48, 394529616), (52, 364181184), (54, 350692992), (64, 295897212), (72, 263019744), (78, 242787456), (81, 233795328), (96, 197264808), (104, 182090592), (108, 175346496), (117, 161858304), (128, 147948606), (144, 131509872), (156, 121393728), (162, 116897664), (192, 98632404), (208, 91045296), (216, 87673248), (234, 80929152), (243, 77931776), (256, 73974303), (288, 65754936), (312, 60696864), (324, 58448832), (351, 53952768), (384, 49316202), (416, 45522648), (432, 43836624), (468, 40464576), (486, 38965888), (576, 32877468), (624, 30348432), (648, 29224416), (702, 26976384), (768, 24658101), (832, 22761324), (864, 21918312), (936, 20232288), (972, 19482944), (1053, 17984256), (1152, 16438734), (1248, 15174216), (1296, 14612208), (1404, 13488192), (1664, 11380662), (1728, 10959156), (1872, 10116144), (1944, 9741472), (2106, 8992128), (2304, 8219367), (2496, 7587108), (2592, 7306104), (2808, 6744096), (3159, 5994752), (3328, 5690331), (3456, 5479578), (3744, 5058072), (3888, 4870736), (4212, 4496064), (4992, 3793554), (5184, 3653052), (5616, 3372048), (6318, 2997376), (6912, 2739789), (7488, 2529036), (7776, 2435368), (8424, 2248032), (9984, 1896777), (10368, 1826526), (11232, 1686024), (12636, 1498688), (14976, 1264518), (15552, 1217684), (16848, 1124016), (20736, 913263), (22464, 843012), (23417, 808704), (25272, 749344), (29952, 632259), (31104, 608842), (33696, 562008), (44928, 421506), (46834, 404352), (50544, 374672), (62208, 304421), (67392, 281004), (70251, 269568), (89856, 210753), (93668, 202176), (101088, 187336), (134784, 140502)]