19050520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{743}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 42988320

約数和(自身を除く): 23937800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 743, 1282, 1486, 2564, 2972, 3205, 3715, 5128, 5944, 6410, 7430, 12820, 14860, 25640, 29720, 476263, 952526, 1905052, 2381315, 3810104, 4762630, 9525260, 19050520]

約数ペア:

[(1, 19050520), (2, 9525260), (4, 4762630), (5, 3810104), (8, 2381315), (10, 1905052), (20, 952526), (40, 476263), (641, 29720), (743, 25640), (1282, 14860), (1486, 12820), (2564, 7430), (2972, 6410), (3205, 5944), (3715, 5128)]