19603990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 40734720

約数和(自身を除く): 21130730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2719, 3605, 5438, 7210, 13595, 19033, 27190, 38066, 95165, 190330, 280057, 560114, 1400285, 1960399, 2800570, 3920798, 9801995, 19603990]

約数ペア:

[(1, 19603990), (2, 9801995), (5, 3920798), (7, 2800570), (10, 1960399), (14, 1400285), (35, 560114), (70, 280057), (103, 190330), (206, 95165), (515, 38066), (721, 27190), (1030, 19033), (1442, 13595), (2719, 7210), (3605, 5438)]