19085378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{397}}^1$

素因数の和:498

約数の個数: 24

約数和(自身を含む): 31643388

約数和(自身を除く): 12558010

約数列:

[1, 2, 13, 26, 43, 86, 397, 559, 794, 1118, 1849, 3698, 5161, 10322, 17071, 24037, 34142, 48074, 221923, 443846, 734053, 1468106, 9542689, 19085378]

約数ペア:

[(1, 19085378), (2, 9542689), (13, 1468106), (26, 734053), (43, 443846), (86, 221923), (397, 48074), (559, 34142), (794, 24037), (1118, 17071), (1849, 10322), (3698, 5161)]