19680486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{757}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 45116160

約数和(自身を除く): 25435674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 619, 757, 1238, 1514, 1857, 2271, 3714, 4333, 4542, 5299, 8666, 10598, 12999, 15897, 25998, 31794, 468583, 937166, 1405749, 2811498, 3280081, 6560162, 9840243, 19680486]

約数ペア:

[(1, 19680486), (2, 9840243), (3, 6560162), (6, 3280081), (7, 2811498), (14, 1405749), (21, 937166), (42, 468583), (619, 31794), (757, 25998), (1238, 15897), (1514, 12999), (1857, 10598), (2271, 8666), (3714, 5299), (4333, 4542)]