19949761

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 22224384

約数和(自身を除く): 2274623

約数列:

[1, 13, 47, 103, 317, 611, 1339, 4121, 4841, 14899, 32651, 62933, 193687, 424463, 1534597, 19949761]

約数ペア:

[(1, 19949761), (13, 1534597), (47, 424463), (103, 193687), (317, 62933), (611, 32651), (1339, 14899), (4121, 4841)]