18670520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42433}}^1$

素因数の和:42455

約数の個数: 32

約数和(自身を含む): 45828720

約数和(自身を除く): 27158200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42433, 84866, 169732, 212165, 339464, 424330, 466763, 848660, 933526, 1697320, 1867052, 2333815, 3734104, 4667630, 9335260, 18670520]

約数ペア:

[(1, 18670520), (2, 9335260), (4, 4667630), (5, 3734104), (8, 2333815), (10, 1867052), (11, 1697320), (20, 933526), (22, 848660), (40, 466763), (44, 424330), (55, 339464), (88, 212165), (110, 169732), (220, 84866), (440, 42433)]