19816704

素因数分解:

$2^8\times 3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 60829440

約数和(自身を除く): 41012736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 61, 64, 72, 94, 96, 108, 122, 128, 141, 144, 183, 188, 192, 216, 244, 256, 282, 288, 366, 376, 384, 423, 432, 488, 549, 564, 576, 732, 752, 768, 846, 864, 976, 1098, 1128, 1152, 1269, 1464, 1504, 1647, 1692, 1728, 1952, 2196, 2256, 2304, 2538, 2867, 2928, 3008, 3294, 3384, 3456, 3904, 4392, 4512, 5076, 5734, 5856, 6016, 6588, 6768, 6912, 7808, 8601, 8784, 9024, 10152, 11468, 11712, 12032, 13176, 13536, 15616, 17202, 17568, 18048, 20304, 22936, 23424, 25803, 26352, 27072, 34404, 35136, 36096, 40608, 45872, 46848, 51606, 52704, 54144, 68808, 70272, 77409, 81216, 91744, 103212, 105408, 108288, 137616, 140544, 154818, 162432, 183488, 206424, 210816, 275232, 309636, 324864, 366976, 412848, 421632, 550464, 619272, 733952, 825696, 1100928, 1238544, 1651392, 2201856, 2477088, 3302784, 4954176, 6605568, 9908352, 19816704]

約数ペア:

[(1, 19816704), (2, 9908352), (3, 6605568), (4, 4954176), (6, 3302784), (8, 2477088), (9, 2201856), (12, 1651392), (16, 1238544), (18, 1100928), (24, 825696), (27, 733952), (32, 619272), (36, 550464), (47, 421632), (48, 412848), (54, 366976), (61, 324864), (64, 309636), (72, 275232), (94, 210816), (96, 206424), (108, 183488), (122, 162432), (128, 154818), (141, 140544), (144, 137616), (183, 108288), (188, 105408), (192, 103212), (216, 91744), (244, 81216), (256, 77409), (282, 70272), (288, 68808), (366, 54144), (376, 52704), (384, 51606), (423, 46848), (432, 45872), (488, 40608), (549, 36096), (564, 35136), (576, 34404), (732, 27072), (752, 26352), (768, 25803), (846, 23424), (864, 22936), (976, 20304), (1098, 18048), (1128, 17568), (1152, 17202), (1269, 15616), (1464, 13536), (1504, 13176), (1647, 12032), (1692, 11712), (1728, 11468), (1952, 10152), (2196, 9024), (2256, 8784), (2304, 8601), (2538, 7808), (2867, 6912), (2928, 6768), (3008, 6588), (3294, 6016), (3384, 5856), (3456, 5734), (3904, 5076), (4392, 4512)]