19104440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4637}}^1$

素因数の和:4751

約数の個数: 32

約数和(自身を含む): 43411680

約数和(自身を除く): 24307240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4637, 9274, 18548, 23185, 37096, 46370, 92740, 185480, 477611, 955222, 1910444, 2388055, 3820888, 4776110, 9552220, 19104440]

約数ペア:

[(1, 19104440), (2, 9552220), (4, 4776110), (5, 3820888), (8, 2388055), (10, 1910444), (20, 955222), (40, 477611), (103, 185480), (206, 92740), (412, 46370), (515, 37096), (824, 23185), (1030, 18548), (2060, 9274), (4120, 4637)]