19963889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1708

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 3364111

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1619, 12331, 17809, 30761, 95521, 338371, 1050731, 1814899, 19963889]

約数ペア:

[(1, 19963889), (11, 1814899), (19, 1050731), (59, 338371), (209, 95521), (649, 30761), (1121, 17809), (1619, 12331)]