19107860

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1877}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 40226760

約数和(自身を除く): 21118900

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1877, 2036, 2545, 3754, 5090, 7508, 9385, 10180, 18770, 37540, 955393, 1910786, 3821572, 4776965, 9553930, 19107860]

約数ペア:

[(1, 19107860), (2, 9553930), (4, 4776965), (5, 3821572), (10, 1910786), (20, 955393), (509, 37540), (1018, 18770), (1877, 10180), (2036, 9385), (2545, 7508), (3754, 5090)]