19396550

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3559}}^1$

素因数の和:3680

約数の個数: 24

約数和(自身を含む): 36418800

約数和(自身を除く): 17022250

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3559, 5450, 7118, 17795, 35590, 88975, 177950, 387931, 775862, 1939655, 3879310, 9698275, 19396550]

約数ペア:

[(1, 19396550), (2, 9698275), (5, 3879310), (10, 1939655), (25, 775862), (50, 387931), (109, 177950), (218, 88975), (545, 35590), (1090, 17795), (2725, 7118), (3559, 5450)]