1854980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 3929688

約数和(自身を除く): 2074708

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 677, 685, 1354, 1370, 2708, 2740, 3385, 6770, 13540, 92749, 185498, 370996, 463745, 927490, 1854980]

約数ペア:

[(1, 1854980), (2, 927490), (4, 463745), (5, 370996), (10, 185498), (20, 92749), (137, 13540), (274, 6770), (548, 3385), (677, 2740), (685, 2708), (1354, 1370)]