19880170

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7559}}^1$

素因数の和:7829

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 16044950

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 7559, 15118, 37795, 75590, 1988017, 3976034, 9940085, 19880170]

約数ペア:

[(1, 19880170), (2, 9940085), (5, 3976034), (10, 1988017), (263, 75590), (526, 37795), (1315, 15118), (2630, 7559)]