18693668

素因数分解:

$2^2\times 7^1\times {\mathrm{667631}}^1$

素因数の和:667642

約数の個数: 12

約数和(自身を含む): 37387392

約数和(自身を除く): 18693724

約数列:

[1, 2, 4, 7, 14, 28, 667631, 1335262, 2670524, 4673417, 9346834, 18693668]

約数ペア:

[(1, 18693668), (2, 9346834), (4, 4673417), (7, 2670524), (14, 1335262), (28, 667631)]