19925540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9311}}^1$

素因数の和:9427

約数の個数: 24

約数和(自身を含む): 42239232

約数和(自身を除く): 22313692

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9311, 18622, 37244, 46555, 93110, 186220, 996277, 1992554, 3985108, 4981385, 9962770, 19925540]

約数ペア:

[(1, 19925540), (2, 9962770), (4, 4981385), (5, 3985108), (10, 1992554), (20, 996277), (107, 186220), (214, 93110), (428, 46555), (535, 37244), (1070, 18622), (2140, 9311)]