19992027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1439}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 29168640

約数和(自身を除く): 9176613

約数列:

[1, 3, 11, 33, 421, 1263, 1439, 4317, 4631, 13893, 15829, 47487, 605819, 1817457, 6664009, 19992027]

約数ペア:

[(1, 19992027), (3, 6664009), (11, 1817457), (33, 605819), (421, 47487), (1263, 15829), (1439, 13893), (4317, 4631)]