18042980

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2677}}^1$

素因数の和:3023

約数の個数: 24

約数和(自身を含む): 38016888

約数和(自身を除く): 19973908

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2677, 3370, 5354, 6740, 10708, 13385, 26770, 53540, 902149, 1804298, 3608596, 4510745, 9021490, 18042980]

約数ペア:

[(1, 18042980), (2, 9021490), (4, 4510745), (5, 3608596), (10, 1804298), (20, 902149), (337, 53540), (674, 26770), (1348, 13385), (1685, 10708), (2677, 6740), (3370, 5354)]