19747210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{282103}}^1$

素因数の和:282117

約数の個数: 16

約数和(自身を含む): 40622976

約数和(自身を除く): 20875766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 282103, 564206, 1410515, 1974721, 2821030, 3949442, 9873605, 19747210]

約数ペア:

[(1, 19747210), (2, 9873605), (5, 3949442), (7, 2821030), (10, 1974721), (14, 1410515), (35, 564206), (70, 282103)]