19047905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{809}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 24319440

約数和(自身を除く): 5271535

約数列:

[1, 5, 17, 85, 277, 809, 1385, 4045, 4709, 13753, 23545, 68765, 224093, 1120465, 3809581, 19047905]

約数ペア:

[(1, 19047905), (5, 3809581), (17, 1120465), (85, 224093), (277, 68765), (809, 23545), (1385, 13753), (4045, 4709)]