19905762

素因数分解:

$2^1\times 3^1\times {\mathrm{443}}^1\times {\mathrm{7489}}^1$

素因数の和:7937

約数の個数: 16

約数和(自身を含む): 39906720

約数和(自身を除く): 20000958

約数列:

[1, 2, 3, 6, 443, 886, 1329, 2658, 7489, 14978, 22467, 44934, 3317627, 6635254, 9952881, 19905762]

約数ペア:

[(1, 19905762), (2, 9952881), (3, 6635254), (6, 3317627), (443, 44934), (886, 22467), (1329, 14978), (2658, 7489)]