18670586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11953}}^1$

素因数の和:12037

約数の個数: 16

約数和(自身を含む): 30984768

約数和(自身を除く): 12314182

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11953, 23906, 131483, 262966, 848663, 1697326, 9335293, 18670586]

約数ペア:

[(1, 18670586), (2, 9335293), (11, 1697326), (22, 848663), (71, 262966), (142, 131483), (781, 23906), (1562, 11953)]