19684053

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:998

約数の個数: 20

約数和(自身を含む): 29524000

約数和(自身を除く): 9839947

約数列:

[1, 3, 9, 27, 81, 487, 499, 1461, 1497, 4383, 4491, 13149, 13473, 39447, 40419, 243013, 729039, 2187117, 6561351, 19684053]

約数ペア:

[(1, 19684053), (3, 6561351), (9, 2187117), (27, 729039), (81, 243013), (487, 40419), (499, 39447), (1461, 13473), (1497, 13149), (4383, 4491)]