19402852

素因数分解:

$2^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1997}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 38937024

約数和(自身を除く): 19534172

約数列:

[1, 2, 4, 7, 14, 28, 347, 694, 1388, 1997, 2429, 3994, 4858, 7988, 9716, 13979, 27958, 55916, 692959, 1385918, 2771836, 4850713, 9701426, 19402852]

約数ペア:

[(1, 19402852), (2, 9701426), (4, 4850713), (7, 2771836), (14, 1385918), (28, 692959), (347, 55916), (694, 27958), (1388, 13979), (1997, 9716), (2429, 7988), (3994, 4858)]