12945004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 24192000

約数和(自身を除く): 11246996

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2399, 2698, 4798, 5396, 9596, 45581, 91162, 170329, 182324, 340658, 681316, 3236251, 6472502, 12945004]

約数ペア:

[(1, 12945004), (2, 6472502), (4, 3236251), (19, 681316), (38, 340658), (71, 182324), (76, 170329), (142, 91162), (284, 45581), (1349, 9596), (2399, 5396), (2698, 4798)]