18278288

素因数分解:

$2^4\times 7^1\times {\mathrm{163199}}^1$

素因数の和:163214

約数の個数: 20

約数和(自身を含む): 40473600

約数和(自身を除く): 22195312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163199, 326398, 652796, 1142393, 1305592, 2284786, 2611184, 4569572, 9139144, 18278288]

約数ペア:

[(1, 18278288), (2, 9139144), (4, 4569572), (7, 2611184), (8, 2284786), (14, 1305592), (16, 1142393), (28, 652796), (56, 326398), (112, 163199)]