19325905

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 23697360

約数和(自身を除く): 4371455

約数列:

[1, 5, 89, 137, 317, 445, 685, 1585, 12193, 28213, 43429, 60965, 141065, 217145, 3865181, 19325905]

約数ペア:

[(1, 19325905), (5, 3865181), (89, 217145), (137, 141065), (317, 60965), (445, 43429), (685, 28213), (1585, 12193)]