18713690

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1877}}^1$

素因数の和:2881

約数の個数: 16

約数和(自身を含む): 33736392

約数和(自身を除く): 15022702

約数列:

[1, 2, 5, 10, 997, 1877, 1994, 3754, 4985, 9385, 9970, 18770, 1871369, 3742738, 9356845, 18713690]

約数ペア:

[(1, 18713690), (2, 9356845), (5, 3742738), (10, 1871369), (997, 18770), (1877, 9970), (1994, 9385), (3754, 4985)]