19898380

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5209}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 42013440

約数和(自身を除く): 22115060

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5209, 10418, 20836, 26045, 52090, 104180, 994919, 1989838, 3979676, 4974595, 9949190, 19898380]

約数ペア:

[(1, 19898380), (2, 9949190), (4, 4974595), (5, 3979676), (10, 1989838), (20, 994919), (191, 104180), (382, 52090), (764, 26045), (955, 20836), (1910, 10418), (3820, 5209)]