19979510

素因数分解:

$2^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1901}}^1$

素因数の和:2959

約数の個数: 16

約数和(自身を含む): 36016272

約数和(自身を除く): 16036762

約数列:

[1, 2, 5, 10, 1051, 1901, 2102, 3802, 5255, 9505, 10510, 19010, 1997951, 3995902, 9989755, 19979510]

約数ペア:

[(1, 19979510), (2, 9989755), (5, 3995902), (10, 1997951), (1051, 19010), (1901, 10510), (2102, 9505), (3802, 5255)]