18719788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{14489}}^1$

素因数の和:14529

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 17795012

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 14489, 28978, 57956, 246313, 275291, 492626, 550582, 985252, 1101164, 4679947, 9359894, 18719788]

約数ペア:

[(1, 18719788), (2, 9359894), (4, 4679947), (17, 1101164), (19, 985252), (34, 550582), (38, 492626), (68, 275291), (76, 246313), (323, 57956), (646, 28978), (1292, 14489)]