17990942

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4451}}^1$

素因数の和:4543

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 10216930

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4451, 8902, 191393, 209197, 382786, 418394, 8995471, 17990942]

約数ペア:

[(1, 17990942), (2, 8995471), (43, 418394), (47, 382786), (86, 209197), (94, 191393), (2021, 8902), (4042, 4451)]