19700210

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4447}}^1$

素因数の和:4897

約数の個数: 16

約数和(自身を含む): 35548416

約数和(自身を除く): 15848206

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4447, 8894, 22235, 44470, 1970021, 3940042, 9850105, 19700210]

約数ペア:

[(1, 19700210), (2, 9850105), (5, 3940042), (10, 1970021), (443, 44470), (886, 22235), (2215, 8894), (4430, 4447)]