18388336

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28031}}^1$

素因数の和:28080

約数の個数: 20

約数和(自身を含む): 36497664

約数和(自身を除く): 18109328

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28031, 56062, 112124, 224248, 448496, 1149271, 2298542, 4597084, 9194168, 18388336]

約数ペア:

[(1, 18388336), (2, 9194168), (4, 4597084), (8, 2298542), (16, 1149271), (41, 448496), (82, 224248), (164, 112124), (328, 56062), (656, 28031)]