19438384

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 23871344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 881, 1379, 1576, 1762, 2758, 3152, 3524, 5516, 6167, 7048, 11032, 12334, 14096, 22064, 24668, 49336, 98672, 173557, 347114, 694228, 1214899, 1388456, 2429798, 2776912, 4859596, 9719192, 19438384]

約数ペア:

[(1, 19438384), (2, 9719192), (4, 4859596), (7, 2776912), (8, 2429798), (14, 1388456), (16, 1214899), (28, 694228), (56, 347114), (112, 173557), (197, 98672), (394, 49336), (788, 24668), (881, 22064), (1379, 14096), (1576, 12334), (1762, 11032), (2758, 7048), (3152, 6167), (3524, 5516)]