19690507

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 21695040

約数和(自身を除く): 2004533

約数列:

[1, 23, 29, 53, 557, 667, 1219, 1537, 12811, 16153, 29521, 35351, 371519, 678983, 856109, 19690507]

約数ペア:

[(1, 19690507), (23, 856109), (29, 678983), (53, 371519), (557, 35351), (667, 29521), (1219, 16153), (1537, 12811)]