19213580

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3089}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 40491360

約数和(自身を除く): 21277780

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3089, 3110, 6178, 6220, 12356, 15445, 30890, 61780, 960679, 1921358, 3842716, 4803395, 9606790, 19213580]

約数ペア:

[(1, 19213580), (2, 9606790), (4, 4803395), (5, 3842716), (10, 1921358), (20, 960679), (311, 61780), (622, 30890), (1244, 15445), (1555, 12356), (3089, 6220), (3110, 6178)]