19979794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12503}}^1$

素因数の和:12569

約数の個数: 16

約数和(自身を含む): 32410368

約数和(自身を除く): 12430574

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12503, 25006, 212551, 425102, 587641, 1175282, 9989897, 19979794]

約数ペア:

[(1, 19979794), (2, 9989897), (17, 1175282), (34, 587641), (47, 425102), (94, 212551), (799, 25006), (1598, 12503)]