19317945

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7901}}^1$

素因数の和:8072

約数の個数: 16

約数和(自身を含む): 31102272

約数和(自身を除く): 11784327

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 7901, 23703, 39505, 118515, 1287863, 3863589, 6439315, 19317945]

約数ペア:

[(1, 19317945), (3, 6439315), (5, 3863589), (15, 1287863), (163, 118515), (489, 39505), (815, 23703), (2445, 7901)]