19009009

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 21143808

約数和(自身を除く): 2134799

約数列:

[1, 17, 37, 47, 629, 643, 799, 1739, 10931, 23791, 29563, 30221, 404447, 513757, 1118177, 19009009]

約数ペア:

[(1, 19009009), (17, 1118177), (37, 513757), (47, 404447), (629, 30221), (643, 29563), (799, 23791), (1739, 10931)]