19187525

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 27539904

約数和(自身を除く): 8352379

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1321, 2075, 2905, 6605, 9247, 14525, 33025, 46235, 109643, 231175, 548215, 767501, 2741075, 3837505, 19187525]

約数ペア:

[(1, 19187525), (5, 3837505), (7, 2741075), (25, 767501), (35, 548215), (83, 231175), (175, 109643), (415, 46235), (581, 33025), (1321, 14525), (2075, 9247), (2905, 6605)]