19748736

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 67891200

約数和(自身を除く): 48142464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 79, 84, 93, 96, 112, 124, 126, 128, 144, 158, 168, 186, 192, 217, 224, 237, 248, 252, 279, 288, 316, 336, 372, 384, 434, 448, 474, 496, 504, 553, 558, 576, 632, 651, 672, 711, 744, 868, 896, 948, 992, 1008, 1106, 1116, 1152, 1264, 1302, 1344, 1422, 1488, 1659, 1736, 1896, 1953, 1984, 2016, 2212, 2232, 2449, 2528, 2604, 2688, 2844, 2976, 3318, 3472, 3792, 3906, 3968, 4032, 4424, 4464, 4898, 4977, 5056, 5208, 5688, 5952, 6636, 6944, 7347, 7584, 7812, 8064, 8848, 8928, 9796, 9954, 10112, 10416, 11376, 11904, 13272, 13888, 14694, 15168, 15624, 17143, 17696, 17856, 19592, 19908, 20832, 22041, 22752, 26544, 27776, 29388, 30336, 31248, 34286, 35392, 35712, 39184, 39816, 41664, 44082, 45504, 51429, 53088, 58776, 62496, 68572, 70784, 78368, 79632, 83328, 88164, 91008, 102858, 106176, 117552, 124992, 137144, 154287, 156736, 159264, 176328, 205716, 212352, 235104, 249984, 274288, 308574, 313472, 318528, 352656, 411432, 470208, 548576, 617148, 637056, 705312, 822864, 940416, 1097152, 1234296, 1410624, 1645728, 2194304, 2468592, 2821248, 3291456, 4937184, 6582912, 9874368, 19748736]

約数ペア:

[(1, 19748736), (2, 9874368), (3, 6582912), (4, 4937184), (6, 3291456), (7, 2821248), (8, 2468592), (9, 2194304), (12, 1645728), (14, 1410624), (16, 1234296), (18, 1097152), (21, 940416), (24, 822864), (28, 705312), (31, 637056), (32, 617148), (36, 548576), (42, 470208), (48, 411432), (56, 352656), (62, 318528), (63, 313472), (64, 308574), (72, 274288), (79, 249984), (84, 235104), (93, 212352), (96, 205716), (112, 176328), (124, 159264), (126, 156736), (128, 154287), (144, 137144), (158, 124992), (168, 117552), (186, 106176), (192, 102858), (217, 91008), (224, 88164), (237, 83328), (248, 79632), (252, 78368), (279, 70784), (288, 68572), (316, 62496), (336, 58776), (372, 53088), (384, 51429), (434, 45504), (448, 44082), (474, 41664), (496, 39816), (504, 39184), (553, 35712), (558, 35392), (576, 34286), (632, 31248), (651, 30336), (672, 29388), (711, 27776), (744, 26544), (868, 22752), (896, 22041), (948, 20832), (992, 19908), (1008, 19592), (1106, 17856), (1116, 17696), (1152, 17143), (1264, 15624), (1302, 15168), (1344, 14694), (1422, 13888), (1488, 13272), (1659, 11904), (1736, 11376), (1896, 10416), (1953, 10112), (1984, 9954), (2016, 9796), (2212, 8928), (2232, 8848), (2449, 8064), (2528, 7812), (2604, 7584), (2688, 7347), (2844, 6944), (2976, 6636), (3318, 5952), (3472, 5688), (3792, 5208), (3906, 5056), (3968, 4977), (4032, 4898), (4424, 4464)]