19938849

素因数分解:

$3^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{1009}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 30445440

約数和(自身を除く): 10506591

約数列:

[1, 3, 7, 21, 941, 1009, 2823, 3027, 6587, 7063, 19761, 21189, 949469, 2848407, 6646283, 19938849]

約数ペア:

[(1, 19938849), (3, 6646283), (7, 2848407), (21, 949469), (941, 21189), (1009, 19761), (2823, 7063), (3027, 6587)]