19811584128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7370381}}^1$

素因数の和:7370405

約数の個数: 64

約数和(自身を含む): 60142317120

約数和(自身を除く): 40330732992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7370381, 14740762, 22111143, 29481524, 44222286, 51592667, 58963048, 88444572, 103185334, 117926096, 154778001, 176889144, 206370668, 235852192, 309556002, 353778288, 412741336, 471704384, 619112004, 707556576, 825482672, 943408768, 1238224008, 1415113152, 1650965344, 2476448016, 2830226304, 3301930688, 4952896032, 6603861376, 9905792064, 19811584128]

約数ペア:

[(1, 19811584128), (2, 9905792064), (3, 6603861376), (4, 4952896032), (6, 3301930688), (7, 2830226304), (8, 2476448016), (12, 1650965344), (14, 1415113152), (16, 1238224008), (21, 943408768), (24, 825482672), (28, 707556576), (32, 619112004), (42, 471704384), (48, 412741336), (56, 353778288), (64, 309556002), (84, 235852192), (96, 206370668), (112, 176889144), (128, 154778001), (168, 117926096), (192, 103185334), (224, 88444572), (336, 58963048), (384, 51592667), (448, 44222286), (672, 29481524), (896, 22111143), (1344, 14740762), (2688, 7370381)]