19707274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1667}}^1$

素因数の和:1949

約数の個数: 16

約数和(自身を含む): 30984768

約数和(自身を除く): 11277494

約数列:

[1, 2, 23, 46, 257, 514, 1667, 3334, 5911, 11822, 38341, 76682, 428419, 856838, 9853637, 19707274]

約数ペア:

[(1, 19707274), (2, 9853637), (23, 856838), (46, 428419), (257, 76682), (514, 38341), (1667, 11822), (3334, 5911)]