18206853

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{233}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 28327104

約数和(自身を除く): 10120251

約数列:

[1, 3, 7, 21, 61, 183, 233, 427, 699, 1281, 1631, 3721, 4893, 11163, 14213, 26047, 42639, 78141, 99491, 298473, 866993, 2600979, 6068951, 18206853]

約数ペア:

[(1, 18206853), (3, 6068951), (7, 2600979), (21, 866993), (61, 298473), (183, 99491), (233, 78141), (427, 42639), (699, 26047), (1281, 14213), (1631, 11163), (3721, 4893)]