18790580

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4919}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 20884300

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4919, 9838, 19676, 24595, 49190, 98380, 939529, 1879058, 3758116, 4697645, 9395290, 18790580]

約数ペア:

[(1, 18790580), (2, 9395290), (4, 4697645), (5, 3758116), (10, 1879058), (20, 939529), (191, 98380), (382, 49190), (764, 24595), (955, 19676), (1910, 9838), (3820, 4919)]