19391323

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2801}}^1$

素因数の和:2874

約数の個数: 16

約数和(自身を含む): 23671296

約数和(自身を除く): 4279973

約数列:

[1, 7, 23, 43, 161, 301, 989, 2801, 6923, 19607, 64423, 120443, 450961, 843101, 2770189, 19391323]

約数ペア:

[(1, 19391323), (7, 2770189), (23, 843101), (43, 450961), (161, 120443), (301, 64423), (989, 19607), (2801, 6923)]