16869986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63421}}^1$

素因数の和:63449

約数の個数: 16

約数和(自身を含む): 30442560

約数和(自身を除く): 13572574

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 63421, 126842, 443947, 887894, 1204999, 2409998, 8434993, 16869986]

約数ペア:

[(1, 16869986), (2, 8434993), (7, 2409998), (14, 1204999), (19, 887894), (38, 443947), (133, 126842), (266, 63421)]