18400874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{1187}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 28911168

約数和(自身を除く): 10510294

約数列:

[1, 2, 23, 46, 337, 674, 1187, 2374, 7751, 15502, 27301, 54602, 400019, 800038, 9200437, 18400874]

約数ペア:

[(1, 18400874), (2, 9200437), (23, 800038), (46, 400019), (337, 54602), (674, 27301), (1187, 15502), (2374, 7751)]