19947188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15439}}^1$

素因数の和:15479

約数の個数: 24

約数和(自身を含む): 38908800

約数和(自身を除く): 18961612

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15439, 30878, 61756, 262463, 293341, 524926, 586682, 1049852, 1173364, 4986797, 9973594, 19947188]

約数ペア:

[(1, 19947188), (2, 9973594), (4, 4986797), (17, 1173364), (19, 1049852), (34, 586682), (38, 524926), (68, 293341), (76, 262463), (323, 61756), (646, 30878), (1292, 15439)]