18724495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 23173920

約数和(自身を除く): 4449425

約数列:

[1, 5, 41, 205, 241, 379, 1205, 1895, 9881, 15539, 49405, 77695, 91339, 456695, 3744899, 18724495]

約数ペア:

[(1, 18724495), (5, 3744899), (41, 456695), (205, 91339), (241, 77695), (379, 49405), (1205, 15539), (1895, 9881)]