19028009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19009}}^1$

素因数の和:19040

約数の個数: 16

約数和(自身を含む): 25549440

約数和(自身を除く): 6521431

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 19009, 133063, 209099, 247117, 1463693, 1729819, 2718287, 19028009]

約数ペア:

[(1, 19028009), (7, 2718287), (11, 1729819), (13, 1463693), (77, 247117), (91, 209099), (143, 133063), (1001, 19009)]