19690505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2791}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 25329024

約数和(自身を除く): 5638519

約数列:

[1, 5, 17, 83, 85, 415, 1411, 2791, 7055, 13955, 47447, 231653, 237235, 1158265, 3938101, 19690505]

約数ペア:

[(1, 19690505), (5, 3938101), (17, 1158265), (83, 237235), (85, 231653), (415, 47447), (1411, 13955), (2791, 7055)]