18242200

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 42720480

約数和(自身を除く): 24478280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 463, 788, 926, 985, 1576, 1852, 1970, 2315, 3704, 3940, 4630, 4925, 7880, 9260, 9850, 11575, 18520, 19700, 23150, 39400, 46300, 91211, 92600, 182422, 364844, 456055, 729688, 912110, 1824220, 2280275, 3648440, 4560550, 9121100, 18242200]

約数ペア:

[(1, 18242200), (2, 9121100), (4, 4560550), (5, 3648440), (8, 2280275), (10, 1824220), (20, 912110), (25, 729688), (40, 456055), (50, 364844), (100, 182422), (197, 92600), (200, 91211), (394, 46300), (463, 39400), (788, 23150), (926, 19700), (985, 18520), (1576, 11575), (1852, 9850), (1970, 9260), (2315, 7880), (3704, 4925), (3940, 4630)]