19555568

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{2917}}^1$

素因数の和:3344

約数の個数: 20

約数和(自身を含む): 37992360

約数和(自身を除く): 18436792

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 2917, 3352, 5834, 6704, 11668, 23336, 46672, 1222223, 2444446, 4888892, 9777784, 19555568]

約数ペア:

[(1, 19555568), (2, 9777784), (4, 4888892), (8, 2444446), (16, 1222223), (419, 46672), (838, 23336), (1676, 11668), (2917, 6704), (3352, 5834)]