1999174015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{725653}}^1$

素因数の和:725706

約数の個数: 16

約数和(自身を含む): 2612354400

約数和(自身を除く): 613180385

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 725653, 3628265, 13787407, 21043937, 68937035, 105219685, 399834803, 1999174015]

約数ペア:

[(1, 1999174015), (5, 399834803), (19, 105219685), (29, 68937035), (95, 21043937), (145, 13787407), (551, 3628265), (2755, 725653)]