19869531

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 29417472

約数和(自身を除く): 9547941

約数列:

[1, 3, 11, 33, 121, 127, 363, 381, 431, 1293, 1397, 4191, 4741, 14223, 15367, 46101, 52151, 54737, 156453, 164211, 602107, 1806321, 6623177, 19869531]

約数ペア:

[(1, 19869531), (3, 6623177), (11, 1806321), (33, 602107), (121, 164211), (127, 156453), (363, 54737), (381, 52151), (431, 46101), (1293, 15367), (1397, 14223), (4191, 4741)]