19838949

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 11659035

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1301, 3903, 5083, 15249, 16913, 22117, 29923, 50739, 66351, 89769, 287521, 388999, 508691, 862563, 1166997, 1526073, 6612983, 19838949]

約数ペア:

[(1, 19838949), (3, 6612983), (13, 1526073), (17, 1166997), (23, 862563), (39, 508691), (51, 388999), (69, 287521), (221, 89769), (299, 66351), (391, 50739), (663, 29923), (897, 22117), (1173, 16913), (1301, 15249), (3903, 5083)]