19974526208

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{122489}}^1$

素因数の和:122532

約数の個数: 108

約数和(自身を含む): 49948727220

約数和(自身を除く): 29974201012

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 637, 728, 784, 832, 896, 1274, 1456, 1568, 1664, 1792, 2548, 2912, 3136, 3328, 5096, 5824, 6272, 10192, 11648, 12544, 20384, 23296, 40768, 81536, 122489, 163072, 244978, 489956, 857423, 979912, 1592357, 1714846, 1959824, 3184714, 3429692, 3919648, 6001961, 6369428, 6859384, 7839296, 11146499, 12003922, 12738856, 13718768, 15678592, 22292998, 24007844, 25477712, 27437536, 31357184, 44585996, 48015688, 50955424, 54875072, 78025493, 89171992, 96031376, 101910848, 109750144, 156050986, 178343984, 192062752, 203821696, 219500288, 312101972, 356687968, 384125504, 407643392, 624203944, 713375936, 768251008, 1248407888, 1426751872, 1536502016, 2496815776, 2853503744, 4993631552, 9987263104, 19974526208]

約数ペア:

[(1, 19974526208), (2, 9987263104), (4, 4993631552), (7, 2853503744), (8, 2496815776), (13, 1536502016), (14, 1426751872), (16, 1248407888), (26, 768251008), (28, 713375936), (32, 624203944), (49, 407643392), (52, 384125504), (56, 356687968), (64, 312101972), (91, 219500288), (98, 203821696), (104, 192062752), (112, 178343984), (128, 156050986), (182, 109750144), (196, 101910848), (208, 96031376), (224, 89171992), (256, 78025493), (364, 54875072), (392, 50955424), (416, 48015688), (448, 44585996), (637, 31357184), (728, 27437536), (784, 25477712), (832, 24007844), (896, 22292998), (1274, 15678592), (1456, 13718768), (1568, 12738856), (1664, 12003922), (1792, 11146499), (2548, 7839296), (2912, 6859384), (3136, 6369428), (3328, 6001961), (5096, 3919648), (5824, 3429692), (6272, 3184714), (10192, 1959824), (11648, 1714846), (12544, 1592357), (20384, 979912), (23296, 857423), (40768, 489956), (81536, 244978), (122489, 163072)]