19813136

素因数分解:

$2^4\times 7^1\times {\mathrm{176903}}^1$

素因数の和:176918

約数の個数: 20

約数和(自身を含む): 43872192

約数和(自身を除く): 24059056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 176903, 353806, 707612, 1238321, 1415224, 2476642, 2830448, 4953284, 9906568, 19813136]

約数ペア:

[(1, 19813136), (2, 9906568), (4, 4953284), (7, 2830448), (8, 2476642), (14, 1415224), (16, 1238321), (28, 707612), (56, 353806), (112, 176903)]