19257860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8999}}^1$

素因数の和:9115

約数の個数: 24

約数和(自身を含む): 40824000

約数和(自身を除く): 21566140

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8999, 17998, 35996, 44995, 89990, 179980, 962893, 1925786, 3851572, 4814465, 9628930, 19257860]

約数ペア:

[(1, 19257860), (2, 9628930), (4, 4814465), (5, 3851572), (10, 1925786), (20, 962893), (107, 179980), (214, 89990), (428, 44995), (535, 35996), (1070, 17998), (2140, 8999)]