18900906752

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{811337}}^1$

素因数の和:811373

約数の個数: 72

約数和(自身を含む): 46434496416

約数和(自身を除く): 27533589664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 811337, 1622674, 3245348, 5679359, 6490696, 10547381, 11358718, 12981392, 21094762, 22717436, 25962784, 42189524, 45434872, 51925568, 73831667, 84379048, 90869744, 103851136, 147663334, 168758096, 181739488, 207702272, 295326668, 337516192, 363478976, 590653336, 675032384, 726957952, 1181306672, 1350064768, 1453915904, 2362613344, 2700129536, 4725226688, 9450453376, 18900906752]

約数ペア:

[(1, 18900906752), (2, 9450453376), (4, 4725226688), (7, 2700129536), (8, 2362613344), (13, 1453915904), (14, 1350064768), (16, 1181306672), (26, 726957952), (28, 675032384), (32, 590653336), (52, 363478976), (56, 337516192), (64, 295326668), (91, 207702272), (104, 181739488), (112, 168758096), (128, 147663334), (182, 103851136), (208, 90869744), (224, 84379048), (256, 73831667), (364, 51925568), (416, 45434872), (448, 42189524), (728, 25962784), (832, 22717436), (896, 21094762), (1456, 12981392), (1664, 11358718), (1792, 10547381), (2912, 6490696), (3328, 5679359), (5824, 3245348), (11648, 1622674), (23296, 811337)]