19378016

素因数分解:

$2^5\times 7^1\times {\mathrm{86509}}^1$

素因数の和:86526

約数の個数: 24

約数和(自身を含む): 43601040

約数和(自身を除く): 24223024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 86509, 173018, 346036, 605563, 692072, 1211126, 1384144, 2422252, 2768288, 4844504, 9689008, 19378016]

約数ペア:

[(1, 19378016), (2, 9689008), (4, 4844504), (7, 2768288), (8, 2422252), (14, 1384144), (16, 1211126), (28, 692072), (32, 605563), (56, 346036), (112, 173018), (224, 86509)]