19813865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5087}}^1$

素因数の和:5152

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 5829655

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5087, 25435, 96653, 208567, 483265, 1042835, 3962773, 19813865]

約数ペア:

[(1, 19813865), (5, 3962773), (19, 1042835), (41, 483265), (95, 208567), (205, 96653), (779, 25435), (3895, 5087)]