19748816

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2749}}^1$

素因数の和:3206

約数の個数: 20

約数和(自身を含む): 38362500

約数和(自身を除く): 18613684

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 2749, 3592, 5498, 7184, 10996, 21992, 43984, 1234301, 2468602, 4937204, 9874408, 19748816]

約数ペア:

[(1, 19748816), (2, 9874408), (4, 4937204), (8, 2468602), (16, 1234301), (449, 43984), (898, 21992), (1796, 10996), (2749, 7184), (3592, 5498)]