19541215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 26308800

約数和(自身を除く): 6767585

約数列:

[1, 5, 19, 29, 41, 95, 145, 173, 205, 551, 779, 865, 1189, 2755, 3287, 3895, 5017, 5945, 7093, 16435, 22591, 25085, 35465, 95323, 112955, 134767, 205697, 476615, 673835, 1028485, 3908243, 19541215]

約数ペア:

[(1, 19541215), (5, 3908243), (19, 1028485), (29, 673835), (41, 476615), (95, 205697), (145, 134767), (173, 112955), (205, 95323), (551, 35465), (779, 25085), (865, 22591), (1189, 16435), (2755, 7093), (3287, 5945), (3895, 5017)]