19940210

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4759}}^1$

素因数の和:5185

約数の個数: 16

約数和(自身を含む): 35985600

約数和(自身を除く): 16045390

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4759, 9518, 23795, 47590, 1994021, 3988042, 9970105, 19940210]

約数ペア:

[(1, 19940210), (2, 9970105), (5, 3988042), (10, 1994021), (419, 47590), (838, 23795), (2095, 9518), (4190, 4759)]