19931457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73009}}^1$

素因数の和:73032

約数の個数: 16

約数和(自身を含む): 32708480

約数和(自身を除く): 12777023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73009, 219027, 511063, 949117, 1533189, 2847351, 6643819, 19931457]

約数ペア:

[(1, 19931457), (3, 6643819), (7, 2847351), (13, 1533189), (21, 949117), (39, 511063), (91, 219027), (273, 73009)]