19710754

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3511}}^1$

素因数の和:3921

約数の個数: 16

約数和(自身を含む): 33883776

約数和(自身を除く): 14173022

約数列:

[1, 2, 7, 14, 401, 802, 2807, 3511, 5614, 7022, 24577, 49154, 1407911, 2815822, 9855377, 19710754]

約数ペア:

[(1, 19710754), (2, 9855377), (7, 2815822), (14, 1407911), (401, 49154), (802, 24577), (2807, 7022), (3511, 5614)]