18019456

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 47878290

約数和(自身を除く): 29858834

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 49, 52, 56, 64, 68, 91, 98, 104, 112, 119, 128, 136, 169, 182, 196, 208, 221, 224, 238, 272, 338, 364, 392, 416, 442, 448, 476, 544, 637, 676, 728, 784, 832, 833, 884, 896, 952, 1088, 1183, 1274, 1352, 1456, 1547, 1568, 1664, 1666, 1768, 1904, 2176, 2366, 2548, 2704, 2873, 2912, 3094, 3136, 3332, 3536, 3808, 4732, 5096, 5408, 5746, 5824, 6188, 6272, 6664, 7072, 7616, 8281, 9464, 10192, 10816, 10829, 11492, 11648, 12376, 13328, 14144, 15232, 16562, 18928, 20111, 20384, 21632, 21658, 22984, 24752, 26656, 28288, 33124, 37856, 40222, 40768, 43316, 45968, 49504, 53312, 66248, 75712, 80444, 81536, 86632, 91936, 99008, 106624, 132496, 140777, 151424, 160888, 173264, 183872, 198016, 264992, 281554, 321776, 346528, 367744, 529984, 563108, 643552, 693056, 1059968, 1126216, 1287104, 1386112, 2252432, 2574208, 4504864, 9009728, 18019456]

約数ペア:

[(1, 18019456), (2, 9009728), (4, 4504864), (7, 2574208), (8, 2252432), (13, 1386112), (14, 1287104), (16, 1126216), (17, 1059968), (26, 693056), (28, 643552), (32, 563108), (34, 529984), (49, 367744), (52, 346528), (56, 321776), (64, 281554), (68, 264992), (91, 198016), (98, 183872), (104, 173264), (112, 160888), (119, 151424), (128, 140777), (136, 132496), (169, 106624), (182, 99008), (196, 91936), (208, 86632), (221, 81536), (224, 80444), (238, 75712), (272, 66248), (338, 53312), (364, 49504), (392, 45968), (416, 43316), (442, 40768), (448, 40222), (476, 37856), (544, 33124), (637, 28288), (676, 26656), (728, 24752), (784, 22984), (832, 21658), (833, 21632), (884, 20384), (896, 20111), (952, 18928), (1088, 16562), (1183, 15232), (1274, 14144), (1352, 13328), (1456, 12376), (1547, 11648), (1568, 11492), (1664, 10829), (1666, 10816), (1768, 10192), (1904, 9464), (2176, 8281), (2366, 7616), (2548, 7072), (2704, 6664), (2873, 6272), (2912, 6188), (3094, 5824), (3136, 5746), (3332, 5408), (3536, 5096), (3808, 4732)]