19952156

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1777}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 40026336

約数和(自身を除く): 20074180

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1777, 2807, 3554, 5614, 7108, 11228, 12439, 24878, 49756, 712577, 1425154, 2850308, 4988039, 9976078, 19952156]

約数ペア:

[(1, 19952156), (2, 9976078), (4, 4988039), (7, 2850308), (14, 1425154), (28, 712577), (401, 49756), (802, 24878), (1604, 12439), (1777, 11228), (2807, 7108), (3554, 5614)]