19768525

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 28373184

約数和(自身を除く): 8604659

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1361, 2075, 2905, 6805, 9527, 14525, 34025, 47635, 112963, 238175, 564815, 790741, 2824075, 3953705, 19768525]

約数ペア:

[(1, 19768525), (5, 3953705), (7, 2824075), (25, 790741), (35, 564815), (83, 238175), (175, 112963), (415, 47635), (581, 34025), (1361, 14525), (2075, 9527), (2905, 6805)]