18763976

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 25749304

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 83, 88, 154, 166, 308, 332, 367, 581, 616, 664, 734, 913, 1162, 1468, 1826, 2324, 2569, 2936, 3652, 4037, 4648, 5138, 6391, 7304, 8074, 10276, 12782, 16148, 20552, 25564, 28259, 30461, 32296, 51128, 56518, 60922, 113036, 121844, 213227, 226072, 243688, 335071, 426454, 670142, 852908, 1340284, 1705816, 2345497, 2680568, 4690994, 9381988, 18763976]

約数ペア:

[(1, 18763976), (2, 9381988), (4, 4690994), (7, 2680568), (8, 2345497), (11, 1705816), (14, 1340284), (22, 852908), (28, 670142), (44, 426454), (56, 335071), (77, 243688), (83, 226072), (88, 213227), (154, 121844), (166, 113036), (308, 60922), (332, 56518), (367, 51128), (581, 32296), (616, 30461), (664, 28259), (734, 25564), (913, 20552), (1162, 16148), (1468, 12782), (1826, 10276), (2324, 8074), (2569, 7304), (2936, 6391), (3652, 5138), (4037, 4648)]