19199950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4987}}^1$

素因数の和:5017

約数の個数: 48

約数和(自身を含む): 44532864

約数和(自身を除く): 25332914

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 4987, 9974, 24935, 34909, 49870, 54857, 69818, 109714, 124675, 174545, 249350, 274285, 349090, 383999, 548570, 767998, 872725, 1371425, 1745450, 1919995, 2742850, 3839990, 9599975, 19199950]

約数ペア:

[(1, 19199950), (2, 9599975), (5, 3839990), (7, 2742850), (10, 1919995), (11, 1745450), (14, 1371425), (22, 872725), (25, 767998), (35, 548570), (50, 383999), (55, 349090), (70, 274285), (77, 249350), (110, 174545), (154, 124675), (175, 109714), (275, 69818), (350, 54857), (385, 49870), (550, 34909), (770, 24935), (1925, 9974), (3850, 4987)]