18973820

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2477}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 39965184

約数和(自身を除く): 20991364

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2477, 3830, 4954, 7660, 9908, 12385, 24770, 49540, 948691, 1897382, 3794764, 4743455, 9486910, 18973820]

約数ペア:

[(1, 18973820), (2, 9486910), (4, 4743455), (5, 3794764), (10, 1897382), (20, 948691), (383, 49540), (766, 24770), (1532, 12385), (1915, 9908), (2477, 7660), (3830, 4954)]