19680243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7549}}^1$

素因数の和:7642

約数の個数: 16

約数和(自身を含む): 28992000

約数和(自身を除く): 9311757

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 7549, 22647, 83039, 249117, 596371, 1789113, 6560081, 19680243]

約数ペア:

[(1, 19680243), (3, 6560081), (11, 1789113), (33, 596371), (79, 249117), (237, 83039), (869, 22647), (2607, 7549)]