19198813

素因数分解:

${\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 1485347

約数列:

[1, 23, 83, 89, 113, 1909, 2047, 2599, 7387, 9379, 10057, 169901, 215717, 231311, 834731, 19198813]

約数ペア:

[(1, 19198813), (23, 834731), (83, 231311), (89, 215717), (113, 169901), (1909, 10057), (2047, 9379), (2599, 7387)]