18994165

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 24308640

約数和(自身を除く): 5314475

約数列:

[1, 5, 31, 59, 67, 155, 295, 335, 961, 1829, 2077, 3953, 4805, 9145, 10385, 19765, 56699, 64387, 122543, 283495, 321935, 612715, 3798833, 18994165]

約数ペア:

[(1, 18994165), (5, 3798833), (31, 612715), (59, 321935), (67, 283495), (155, 122543), (295, 64387), (335, 56699), (961, 19765), (1829, 10385), (2077, 9145), (3953, 4805)]