19131795

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 34720224

約数和(自身を除く): 15588429

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 487, 873, 1455, 1461, 2435, 2619, 4365, 4383, 7305, 7857, 13095, 13149, 21915, 39285, 39447, 47239, 65745, 141717, 197235, 236195, 425151, 708585, 1275453, 2125755, 3826359, 6377265, 19131795]

約数ペア:

[(1, 19131795), (3, 6377265), (5, 3826359), (9, 2125755), (15, 1275453), (27, 708585), (45, 425151), (81, 236195), (97, 197235), (135, 141717), (291, 65745), (405, 47239), (485, 39447), (487, 39285), (873, 21915), (1455, 13149), (1461, 13095), (2435, 7857), (2619, 7305), (4365, 4383)]