18440266

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 30337740

約数和(自身を除く): 11897474

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 613, 1157, 1226, 2314, 7969, 15041, 15938, 30082, 54557, 103597, 109114, 207194, 709241, 1418482, 9220133, 18440266]

約数ペア:

[(1, 18440266), (2, 9220133), (13, 1418482), (26, 709241), (89, 207194), (169, 109114), (178, 103597), (338, 54557), (613, 30082), (1157, 15938), (1226, 15041), (2314, 7969)]