19939647

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73039}}^1$

素因数の和:73062

約数の個数: 16

約数和(自身を含む): 32721920

約数和(自身を除く): 12782273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73039, 219117, 511273, 949507, 1533819, 2848521, 6646549, 19939647]

約数ペア:

[(1, 19939647), (3, 6646549), (7, 2848521), (13, 1533819), (21, 949507), (39, 511273), (91, 219117), (273, 73039)]