18389144

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17898856

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 719, 1112, 1438, 2876, 3197, 5752, 6394, 12788, 16537, 25576, 33074, 66148, 99941, 132296, 199882, 399764, 799528, 2298643, 4597286, 9194572, 18389144]

約数ペア:

[(1, 18389144), (2, 9194572), (4, 4597286), (8, 2298643), (23, 799528), (46, 399764), (92, 199882), (139, 132296), (184, 99941), (278, 66148), (556, 33074), (719, 25576), (1112, 16537), (1438, 12788), (2876, 6394), (3197, 5752)]