19005687148

素因数分解:

$2^2\times 7^1\times {\mathrm{678774541}}^1$

素因数の和:678774552

約数の個数: 12

約数和(自身を含む): 38011374352

約数和(自身を除く): 19005687204

約数列:

[1, 2, 4, 7, 14, 28, 678774541, 1357549082, 2715098164, 4751421787, 9502843574, 19005687148]

約数ペア:

[(1, 19005687148), (2, 9502843574), (4, 4751421787), (7, 2715098164), (14, 1357549082), (28, 678774541)]