19718432397

素因数分解:

$3^4\times {\mathrm{2089}}^1\times {\mathrm{116533}}^1$

素因数の和:118634

約数の個数: 20

約数和(自身を含む): 29470283260

約数和(自身を除く): 9751850863

約数列:

[1, 3, 9, 27, 81, 2089, 6267, 18801, 56403, 116533, 169209, 349599, 1048797, 3146391, 9439173, 243437437, 730312311, 2190936933, 6572810799, 19718432397]

約数ペア:

[(1, 19718432397), (3, 6572810799), (9, 2190936933), (27, 730312311), (81, 243437437), (2089, 9439173), (6267, 3146391), (18801, 1048797), (56403, 349599), (116533, 169209)]