9989402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1541

約数の個数: 16

約数和(自身を含む): 15864000

約数和(自身を除く): 5874598

約数列:

[1, 2, 19, 38, 199, 398, 1321, 2642, 3781, 7562, 25099, 50198, 262879, 525758, 4994701, 9989402]

約数ペア:

[(1, 9989402), (2, 4994701), (19, 525758), (38, 262879), (199, 50198), (398, 25099), (1321, 7562), (2642, 3781)]