19031080

素因数分解:

$2^3\times 5^1\times {\mathrm{475777}}^1$

素因数の和:475788

約数の個数: 16

約数和(自身を含む): 42820020

約数和(自身を除く): 23788940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475777, 951554, 1903108, 2378885, 3806216, 4757770, 9515540, 19031080]

約数ペア:

[(1, 19031080), (2, 9515540), (4, 4757770), (5, 3806216), (8, 2378885), (10, 1903108), (20, 951554), (40, 475777)]