19187860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5023}}^1$

素因数の和:5223

約数の個数: 24

約数和(自身を含む): 40513536

約数和(自身を除く): 21325676

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5023, 10046, 20092, 25115, 50230, 100460, 959393, 1918786, 3837572, 4796965, 9593930, 19187860]

約数ペア:

[(1, 19187860), (2, 9593930), (4, 4796965), (5, 3837572), (10, 1918786), (20, 959393), (191, 100460), (382, 50230), (764, 25115), (955, 20092), (1910, 10046), (3820, 5023)]