18650620

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{991}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 39247488

約数和(自身を除く): 20596868

約数列:

[1, 2, 4, 5, 10, 20, 941, 991, 1882, 1982, 3764, 3964, 4705, 4955, 9410, 9910, 18820, 19820, 932531, 1865062, 3730124, 4662655, 9325310, 18650620]

約数ペア:

[(1, 18650620), (2, 9325310), (4, 4662655), (5, 3730124), (10, 1865062), (20, 932531), (941, 19820), (991, 18820), (1882, 9910), (1982, 9410), (3764, 4955), (3964, 4705)]