18786032

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 38568960

約数和(自身を除く): 19782928

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 568, 719, 1136, 1438, 1633, 2876, 3266, 5752, 6532, 11504, 13064, 16537, 26128, 33074, 51049, 66148, 102098, 132296, 204196, 264592, 408392, 816784, 1174127, 2348254, 4696508, 9393016, 18786032]

約数ペア:

[(1, 18786032), (2, 9393016), (4, 4696508), (8, 2348254), (16, 1174127), (23, 816784), (46, 408392), (71, 264592), (92, 204196), (142, 132296), (184, 102098), (284, 66148), (368, 51049), (568, 33074), (719, 26128), (1136, 16537), (1438, 13064), (1633, 11504), (2876, 6532), (3266, 5752)]