19159918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7937}}^1$

素因数の和:8027

約数の個数: 16

約数和(自身を含む): 30862944

約数和(自身を除く): 11703026

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 7937, 15874, 134929, 269858, 563527, 1127054, 9579959, 19159918]

約数ペア:

[(1, 19159918), (2, 9579959), (17, 1127054), (34, 563527), (71, 269858), (142, 134929), (1207, 15874), (2414, 7937)]