18543728

素因数分解:

$2^4\times 7^1\times {\mathrm{165569}}^1$

素因数の和:165584

約数の個数: 20

約数和(自身を含む): 41061360

約数和(自身を除く): 22517632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 165569, 331138, 662276, 1158983, 1324552, 2317966, 2649104, 4635932, 9271864, 18543728]

約数ペア:

[(1, 18543728), (2, 9271864), (4, 4635932), (7, 2649104), (8, 2317966), (14, 1324552), (16, 1158983), (28, 662276), (56, 331138), (112, 165569)]