18419072

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 42750240

約数和(自身を除く): 24331168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 337, 427, 448, 488, 674, 854, 896, 976, 1348, 1708, 1952, 2359, 2696, 3416, 3904, 4718, 5392, 6832, 7808, 9436, 10784, 13664, 18872, 20557, 21568, 27328, 37744, 41114, 43136, 54656, 75488, 82228, 143899, 150976, 164456, 287798, 301952, 328912, 575596, 657824, 1151192, 1315648, 2302384, 2631296, 4604768, 9209536, 18419072]

約数ペア:

[(1, 18419072), (2, 9209536), (4, 4604768), (7, 2631296), (8, 2302384), (14, 1315648), (16, 1151192), (28, 657824), (32, 575596), (56, 328912), (61, 301952), (64, 287798), (112, 164456), (122, 150976), (128, 143899), (224, 82228), (244, 75488), (337, 54656), (427, 43136), (448, 41114), (488, 37744), (674, 27328), (854, 21568), (896, 20557), (976, 18872), (1348, 13664), (1708, 10784), (1952, 9436), (2359, 7808), (2696, 6832), (3416, 5392), (3904, 4718)]