19872590

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1439}}^1$

素因数の和:2827

約数の個数: 16

約数和(自身を含む): 35821440

約数和(自身を除く): 15948850

約数列:

[1, 2, 5, 10, 1381, 1439, 2762, 2878, 6905, 7195, 13810, 14390, 1987259, 3974518, 9936295, 19872590]

約数ペア:

[(1, 19872590), (2, 9936295), (5, 3974518), (10, 1987259), (1381, 14390), (1439, 13810), (2762, 7195), (2878, 6905)]