19394140

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5077}}^1$

素因数の和:5277

約数の個数: 24

約数和(自身を含む): 40948992

約数和(自身を除く): 21554852

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5077, 10154, 20308, 25385, 50770, 101540, 969707, 1939414, 3878828, 4848535, 9697070, 19394140]

約数ペア:

[(1, 19394140), (2, 9697070), (4, 4848535), (5, 3878828), (10, 1939414), (20, 969707), (191, 101540), (382, 50770), (764, 25385), (955, 20308), (1910, 10154), (3820, 5077)]