19211710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{274453}}^1$

素因数の和:274467

約数の個数: 16

約数和(自身を含む): 39521376

約数和(自身を除く): 20309666

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 274453, 548906, 1372265, 1921171, 2744530, 3842342, 9605855, 19211710]

約数ペア:

[(1, 19211710), (2, 9605855), (5, 3842342), (7, 2744530), (10, 1921171), (14, 1372265), (35, 548906), (70, 274453)]