19559891

素因数分解:

${\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 16

約数和(自身を含む): 21991200

約数和(自身を除く): 2431309

約数列:

[1, 13, 29, 169, 307, 377, 2197, 3991, 4901, 8903, 51883, 63713, 115739, 674479, 1504607, 19559891]

約数ペア:

[(1, 19559891), (13, 1504607), (29, 674479), (169, 115739), (307, 63713), (377, 51883), (2197, 8903), (3991, 4901)]