18820030

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3833}}^1$

素因数の和:4331

約数の個数: 16

約数和(自身を含む): 33953904

約数和(自身を除く): 15133874

約数列:

[1, 2, 5, 10, 491, 982, 2455, 3833, 4910, 7666, 19165, 38330, 1882003, 3764006, 9410015, 18820030]

約数ペア:

[(1, 18820030), (2, 9410015), (5, 3764006), (10, 1882003), (491, 38330), (982, 19165), (2455, 7666), (3833, 4910)]