19965038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7433}}^1$

素因数の和:7531

約数の個数: 16

約数和(自身を含む): 32114880

約数和(自身を除く): 12149842

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7433, 14866, 126361, 252722, 587207, 1174414, 9982519, 19965038]

約数ペア:

[(1, 19965038), (2, 9982519), (17, 1174414), (34, 587207), (79, 252722), (158, 126361), (1343, 14866), (2686, 7433)]