18124405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 23914440

約数和(自身を除く): 5790035

約数列:

[1, 5, 13, 65, 89, 169, 241, 445, 845, 1157, 1205, 3133, 5785, 15041, 15665, 21449, 40729, 75205, 107245, 203645, 278837, 1394185, 3624881, 18124405]

約数ペア:

[(1, 18124405), (5, 3624881), (13, 1394185), (65, 278837), (89, 203645), (169, 107245), (241, 75205), (445, 40729), (845, 21449), (1157, 15665), (1205, 15041), (3133, 5785)]