18719152

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40343}}^1$

素因数の和:40380

約数の個数: 20

約数和(自身を含む): 37519920

約数和(自身を除く): 18800768

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40343, 80686, 161372, 322744, 645488, 1169947, 2339894, 4679788, 9359576, 18719152]

約数ペア:

[(1, 18719152), (2, 9359576), (4, 4679788), (8, 2339894), (16, 1169947), (29, 645488), (58, 322744), (116, 161372), (232, 80686), (464, 40343)]