19896530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46271}}^1$

素因数の和:46321

約数の個数: 16

約数和(自身を含む): 36647424

約数和(自身を除く): 16750894

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46271, 92542, 231355, 462710, 1989653, 3979306, 9948265, 19896530]

約数ペア:

[(1, 19896530), (2, 9948265), (5, 3979306), (10, 1989653), (43, 462710), (86, 231355), (215, 92542), (430, 46271)]