19722752

素因数分解:

$2^9\times 7^1\times {\mathrm{5503}}^1$

素因数の和:5528

約数の個数: 40

約数和(自身を含む): 45044736

約数和(自身を除く): 25321984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5503, 11006, 22012, 38521, 44024, 77042, 88048, 154084, 176096, 308168, 352192, 616336, 704384, 1232672, 1408768, 2465344, 2817536, 4930688, 9861376, 19722752]

約数ペア:

[(1, 19722752), (2, 9861376), (4, 4930688), (7, 2817536), (8, 2465344), (14, 1408768), (16, 1232672), (28, 704384), (32, 616336), (56, 352192), (64, 308168), (112, 176096), (128, 154084), (224, 88048), (256, 77042), (448, 44024), (512, 38521), (896, 22012), (1792, 11006), (3584, 5503)]