19868395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5101}}^1$

素因数の和:5166

約数の個数: 16

約数和(自身を含む): 25714080

約数和(自身を除く): 5845685

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5101, 25505, 96919, 209141, 484595, 1045705, 3973679, 19868395]

約数ペア:

[(1, 19868395), (5, 3973679), (19, 1045705), (41, 484595), (95, 209141), (205, 96919), (779, 25505), (3895, 5101)]