19714612

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 35235200

約数和(自身を除く): 15520588

約数列:

[1, 2, 4, 103, 109, 206, 218, 412, 436, 439, 878, 1756, 11227, 22454, 44908, 45217, 47851, 90434, 95702, 180868, 191404, 4928653, 9857306, 19714612]

約数ペア:

[(1, 19714612), (2, 9857306), (4, 4928653), (103, 191404), (109, 180868), (206, 95702), (218, 90434), (412, 47851), (436, 45217), (439, 44908), (878, 22454), (1756, 11227)]