18348547

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 22713696

約数和(自身を除く): 4365149

約数列:

[1, 7, 19, 53, 133, 137, 361, 371, 959, 1007, 2527, 2603, 7049, 7261, 18221, 19133, 49457, 50827, 133931, 137959, 346199, 965713, 2621221, 18348547]

約数ペア:

[(1, 18348547), (7, 2621221), (19, 965713), (53, 346199), (133, 137959), (137, 133931), (361, 50827), (371, 49457), (959, 19133), (1007, 18221), (2527, 7261), (2603, 7049)]