19128590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 37285920

約数和(自身を除く): 18157330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 547, 1094, 1345, 2690, 2735, 3497, 5470, 6994, 7111, 14222, 17485, 34970, 35555, 71110, 147143, 294286, 735715, 1471430, 1912859, 3825718, 9564295, 19128590]

約数ペア:

[(1, 19128590), (2, 9564295), (5, 3825718), (10, 1912859), (13, 1471430), (26, 735715), (65, 294286), (130, 147143), (269, 71110), (538, 35555), (547, 34970), (1094, 17485), (1345, 14222), (2690, 7111), (2735, 6994), (3497, 5470)]