19696439

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 23439360

約数和(自身を除く): 3742921

約数列:

[1, 7, 31, 139, 217, 653, 973, 4309, 4571, 20243, 30163, 90767, 141701, 635369, 2813777, 19696439]

約数ペア:

[(1, 19696439), (7, 2813777), (31, 635369), (139, 141701), (217, 90767), (653, 30163), (973, 20243), (4309, 4571)]