19906286

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12457}}^1$

素因数の和:12523

約数の個数: 16

約数和(自身を含む): 32291136

約数和(自身を除く): 12384850

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12457, 24914, 211769, 423538, 585479, 1170958, 9953143, 19906286]

約数ペア:

[(1, 19906286), (2, 9953143), (17, 1170958), (34, 585479), (47, 423538), (94, 211769), (799, 24914), (1598, 12457)]