18038699

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 21086208

約数和(自身を除く): 3047509

約数列:

[1, 7, 103, 127, 197, 721, 889, 1379, 13081, 20291, 25019, 91567, 142037, 175133, 2576957, 18038699]

約数ペア:

[(1, 18038699), (7, 2576957), (103, 175133), (127, 142037), (197, 91567), (721, 25019), (889, 20291), (1379, 13081)]