19733504

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2753}}^1$

素因数の和:2780

約数の個数: 44

約数和(自身を含む): 45099504

約数和(自身を除く): 25366000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2753, 3584, 5506, 7168, 11012, 19271, 22024, 38542, 44048, 77084, 88096, 154168, 176192, 308336, 352384, 616672, 704768, 1233344, 1409536, 2466688, 2819072, 4933376, 9866752, 19733504]

約数ペア:

[(1, 19733504), (2, 9866752), (4, 4933376), (7, 2819072), (8, 2466688), (14, 1409536), (16, 1233344), (28, 704768), (32, 616672), (56, 352384), (64, 308336), (112, 176192), (128, 154168), (224, 88096), (256, 77084), (448, 44048), (512, 38542), (896, 22024), (1024, 19271), (1792, 11012), (2753, 7168), (3584, 5506)]