18171568

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2039}}^1$

素因数の和:2604

約数の個数: 20

約数和(自身を含む): 35287920

約数和(自身を除く): 17116352

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2039, 2228, 4078, 4456, 8156, 8912, 16312, 32624, 1135723, 2271446, 4542892, 9085784, 18171568]

約数ペア:

[(1, 18171568), (2, 9085784), (4, 4542892), (8, 2271446), (16, 1135723), (557, 32624), (1114, 16312), (2039, 8912), (2228, 8156), (4078, 4456)]