18741490

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2137}}^1$

素因数の和:3021

約数の個数: 16

約数和(自身を含む): 33788952

約数和(自身を除く): 15047462

約数列:

[1, 2, 5, 10, 877, 1754, 2137, 4274, 4385, 8770, 10685, 21370, 1874149, 3748298, 9370745, 18741490]

約数ペア:

[(1, 18741490), (2, 9370745), (5, 3748298), (10, 1874149), (877, 21370), (1754, 10685), (2137, 8770), (4274, 4385)]