19996653

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 7219347

約数列:

[1, 3, 71, 213, 269, 349, 807, 1047, 19099, 24779, 57297, 74337, 93881, 281643, 6665551, 19996653]

約数ペア:

[(1, 19996653), (3, 6665551), (71, 281643), (213, 93881), (269, 74337), (349, 57297), (807, 24779), (1047, 19099)]