18618190

素因数分解:

$2^1\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1987}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 33565392

約数和(自身を除く): 14947202

約数列:

[1, 2, 5, 10, 937, 1874, 1987, 3974, 4685, 9370, 9935, 19870, 1861819, 3723638, 9309095, 18618190]

約数ペア:

[(1, 18618190), (2, 9309095), (5, 3723638), (10, 1861819), (937, 19870), (1874, 9935), (1987, 9370), (3974, 4685)]