18415839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7741}}^1$

素因数の和:7818

約数の個数: 16

約数和(自身を含む): 26880224

約数和(自身を除く): 8464385

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 7741, 23223, 100633, 301899, 472201, 1416603, 6138613, 18415839]

約数ペア:

[(1, 18415839), (3, 6138613), (13, 1416603), (39, 472201), (61, 301899), (183, 100633), (793, 23223), (2379, 7741)]