19636780

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1193}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 41321952

約数和(自身を除く): 21685172

約数列:

[1, 2, 4, 5, 10, 20, 823, 1193, 1646, 2386, 3292, 4115, 4772, 5965, 8230, 11930, 16460, 23860, 981839, 1963678, 3927356, 4909195, 9818390, 19636780]

約数ペア:

[(1, 19636780), (2, 9818390), (4, 4909195), (5, 3927356), (10, 1963678), (20, 981839), (823, 23860), (1193, 16460), (1646, 11930), (2386, 8230), (3292, 5965), (4115, 4772)]