18920176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 40269744

約数和(自身を除く): 21349568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 193, 386, 557, 772, 1114, 1544, 2123, 2228, 3088, 4246, 4456, 6127, 8492, 8912, 12254, 16984, 24508, 33968, 49016, 98032, 107501, 215002, 430004, 860008, 1182511, 1720016, 2365022, 4730044, 9460088, 18920176]

約数ペア:

[(1, 18920176), (2, 9460088), (4, 4730044), (8, 2365022), (11, 1720016), (16, 1182511), (22, 860008), (44, 430004), (88, 215002), (176, 107501), (193, 98032), (386, 49016), (557, 33968), (772, 24508), (1114, 16984), (1544, 12254), (2123, 8912), (2228, 8492), (3088, 6127), (4246, 4456)]